How Do Chickens Sleep

How Do Chickens Sleep

Key Takeaways:

  • Unihemispheric Slow-Wave Sleep (USWS) allows chickens to sleep and be on guard at the same time, ensuring their safety while resting.
  • Chickens have unique sleeping behaviors, such as sleeping with one eye open and adopting various sleeping positions influenced by factors like temperature and social hierarchy.
  • Providing roosting perches at appropriate heights and materials is important for chickens’ comfort and well-being, promoting natural sleeping habits.
  • Creating a safe and protected sleeping environment, prioritizing cleanliness and maintenance, is crucial for chickens’ overall health and preventing sleep disturbances.
  • Understanding chicken sleep patterns, addressing signs of poor sleep, and ensuring adequate rest are essential for promoting the well-being and health of chickens.

Introduction

Chickens, just like humans, have their own unique sleep patterns. In this section, we’ll explore an overview of chicken sleep patterns and why it’s important to understand their sleep habits. Understanding how chickens sleep can provide insights into their overall health and well-being, as well as help poultry keepers create optimal conditions for their feathered friends. So, let’s dive into the fascinating world of chicken sleep and uncover the secrets behind their slumber.

Overview of chicken sleep patterns

Chickens have unique sleep patterns compared to other animals. For example, they can do Unihemispheric Slow-Wave Sleep (USWS). This means they can rest while staying alert with one eye open. Just like humans, chickens go through sleep stages including both REM and non-REM.

Plus, chickens have special sleeping behaviors. One is sleeping with one eye open, to stay vigilant. They also have individual preferences for sleeping positions that depend on temperature and the flock.

Roosting perches are important to chicken sleep. They like wood or metal bars to grip. Plus, the perches need to be the right height. Chickens prefer roosting over nesting boxes for sleeping. Keeping the sleep area clean and hygienic is essential.

It’s important to recognize chicken sleep patterns to spot problems. Watching how much and when they sleep can help identify health issues. Creating suitable conditions and enough rest helps keep chickens healthy.

Importance of understanding chicken sleep habits

Chicken sleep habits are key for the birds’ well-being and productivity. By studying them, researchers gain vital insights into their natural behaviors and needs. This helps create suitable sleeping environments to promote better rest.

To comprehend chicken sleep habits, USWS (Unihemispheric Slow-Wave Sleep) must be explored. USWS enables chickens to sleep and stay alert at the same time. This mechanism shows their adaptability in managing both sleep and vigilance.

Similarities between chicken and human sleep patterns exist. They experience REM (Rapid Eye Movement) and SWS (Slow-Wave Sleep). Also, distinct NREM (Non-Rapid Eye Movement) stages are present. These similarities provide insights into human sleep cycles and animal behavior.

Chickens also display unique sleep behaviors. They sometimes sleep with one eye open, and have different sleeping positions. Knowing this helps caretakers provide roosting perches that cater to their preferences.

Therefore, it is essential for farmers and chicken keepers to educate themselves about creating suitable sleeping environments. This promotes their health, productivity, immune function, and overall quality of life. Understanding and catering to chicken sleep habits is vital for a thriving flock.

Unihemispheric Slow-Wave Sleep

Chickens have a fascinating sleep pattern called Unihemispheric Slow-Wave Sleep (USWS), which allows them to sleep and remain alert simultaneously. In this section, we will explore the concept of USWS in chickens and how it differs from traditional sleep. We will also discuss how this unique sleep pattern enables chickens to rest while maintaining vigilance against potential threats. Additionally, we will draw parallels between chicken and human sleep patterns, highlighting any similarities that may exist. So, let’s dive into the intriguing world of chicken sleep!

Explanation of USWS in chickens

USWS, or Unihemispheric Slow-Wave Sleep, is a special sleep pattern seen in chickens. One side of the chicken’s brain stays alert, while the other side enters a deep sleep. Chickens can rest and still be on guard for predators.

Humans and chickens have similar sleep patterns, like REM and non-REM. However, with USWS, chickens close only one eye.

Chickens have interesting sleeping habits, like standing on one leg or perching up high. Reasons for this could be comfort, temperature, the flock, or protection.

For chickens to get good sleep, they need suitable roosting perches. Height should match the size of the chicken’s legs and wingspan. Cleanliness is also important to prevent mites, lice, and diseases. Lastly, chickens need a safe area to sleep.

How USWS allows chickens to sleep and be on guard at the same time

USWS, or Unihemispheric Slow-Wave Sleep, is a special sleep pattern in chickens. It allows them to rest and still stay alert. One half of the brain sleeps deeply and the other stays awake. This helps them monitor their surroundings and respond to possible threats.

Here’s a 5-step guide to understanding USWS in chickens:

  1. Step one: Chickens choose a safe roosting perch off the ground, away from predators.
  2. Step two: One half of their brain enters deep slow-wave sleep.
  3. Step three: The other side of the brain stays awake and alert.
  4. Step four: The awake side controls muscle tone, body temperature, and balance.
  5. Step five: During USWS, chickens remain aware of their environment.

Chickens are also known for sleeping with one eye open as a survival skill. To create a suitable sleeping environment, provide roosting perches at an appropriate height and clean the area regularly. This helps chickens rest well and maintain their natural instincts of being alert. Proper sleep practices are essential for chicken health and welfare.

Similarities between chicken and human sleep patterns

Chicken and human sleep patterns share some surprising similarities, such as the presence of Unihemispheric Slow-Wave Sleep (USWS). This allows them to sleep while still being on guard. The two species differ in terms of nuances, yet prioritize rest while being vigilant.

In addition, chickens have a unique behavior of sleeping with one eye open! This helps them stay aware of their environment even while asleep. Plus, factors such as sleeping positions can affect both chicken and human sleep habits. Humans have a variety of preferred positions, while chickens often roost on perches for elevation during sleep.

Pro Tip: Give your chickens roosting perches to provide a natural sleeping environment and promote healthy behaviors. Chickens have the superpower of sleeping with one eye open – the ultimate skill for sleep-deprived superheroes!

Unique Sleeping Behaviors

Chickens may appear to be ordinary birds, but when it comes to sleep, their behaviors are anything but ordinary. From snoozing with one eye open to adopting peculiar sleeping positions, chickens exhibit a fascinating repertoire of sleeping habits. In this section, we will explore these unique sleeping behaviors of chickens and the factors that influence their preferred sleeping positions. Prepare to be amazed by the complex world of chicken slumber!

Sleeping with one eye open

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USWS causes one side of the chicken’s brain to enter a deep slow-wave sleep state. The other hemisphere remains alert and awake. This enables chickens to rest and stay watchful at the same time. Not just chickens, but birds and marine mammals can also do this. This adaptation lets them save energy while still responding quickly if needed. The similarity in the sleep patterns of chickens and humans shows how complex sleep can be across species.

Chickens also sleep in different postures, according to comfort and safety. These include huddling together or perching on roosting perches. External factors like temperature and flock dynamics may also influence their choice of sleeping position.

A story about backyard chickens in a coop near a wooded area tells us more. Raccoons sometimes tried to reach the coop for a meal. But, these chickens could detect predators with one eye open and alert the flock in time. This shows us the importance of this unique sleep behavior in keeping chickens safe.

Sleeping positions

Chickens have unique sleeping positions. Researchers observe and study them, which give us insight into the sleep habits and behaviors of chickens.

One common sleep position is a squat, with legs tucked underneath the body. This helps keep the body warm by reducing the exposed surface area.

Chickens also like to sleep perched up high on roosting bars or branches. This keeps them safe from predators on the ground and makes them feel secure.

Sometimes chickens sleep in a group, huddled together for warmth and protection. This gives them a sense of safety.

These sleep positions are adapted to the instincts of chickens. They can rest, yet still be aware of any threats.

Factors like flock dynamics, temperature, predators, individual preferences, and age or health status influence the sleeping positions of chickens. Knowing this helps chicken keepers create an ideal sleep environment, ensuring physical comfort and emotional well-being.

Factors influencing sleeping positions

Chickens have certain factors that impact their sleep positions. Comprehending these elements can help set up a suitable sleeping atmosphere for them.

  • Instincts: Chickens have inborn instincts that compel their sleep position selection. They tend to seek elevated spots, such as roosting perches, for sleeping.
  • Safety: Chickens are vulnerable while snoozing, so they choose spots with good visual range and protection from possible predators.
  • Social Structure: The pecking order within a chicken flock can affect their sleep positions. Dominant chickens may prefer higher or better spots on roosting perches, while lower-ranking chickens often sleep lower down or in less pleasing places.
  • Comfort and Temperature: Chickens modify their sleep positions based on comfort level and temperature control needs. They may select cooler spots in hot weather or warmer areas in colder seasons.
  • Routines: Chickens form habitual behaviors, including preferred sleeping locations and positions. These routines can remain even if other factors change.

Plus, chickens possess peculiar sleeping behaviors driven by physiology and environment. For example, they keep one eye open while sleeping to stay vigilant. They also have particular sleep positions, like perching on one leg or tucking their heads under wings.

Pro Tip: To ensure healthy sleeping habits of chickens, give them ample roosting perches of appropriate heights for resting during the night. The key for chickens to get a good night’s sleep is finding the ideal roosting perch–because even chickens need their beauty sleep!

Roosting Perches

Roosting Perches

Photo Credits: Chipperbirds.Com by Brandon Green

Roosting perches are more than just a resting spot for chickens, they play a crucial role in their overall well-being. Discover the importance of roosting perches, the different types available, recommended height and materials, and essential tips for maintaining them. So, let’s dive into the world of roosting perches and understand how these elevated resting spots contribute to the sleep habits and comfort of our feathered friends.

Importance of roosting perches for chickens

Roosting perches provide critical benefits for chickens. They prefer them to nesting boxes, as they feel safer and more protected. Plus, it’s instinctive for chickens to perch off the ground while snoozing.

Offering the right roosting perches is essential. It helps prevent injuries and illnesses from hard or uneven surfaces. Plus, the materials used and height of the perch should match the size and age of the birds.

Regular cleaning of roosting perches is key for good hygiene. Feces and parasites buildup can lead to potential health issues.

In conclusion, roosting perches are important for chickens’ overall well-being. They allow chickens to engage in natural sleeping behavior and feel safe. Knowing this and properly selecting/maintaining roosting perches ensures chickens enjoy healthy and restful sleep.

Types of roosting perches

Roosting perches are essential for chicken sleeping environments. They come in various types and designs, each tailored to the chickens’ needs and preferences.

There are roosting bars made of wood or metal, wide enough to accommodate their feet. Ladder-style perches offer multiple levels, mimicking their wild behavior. Nest box perches cater to those who prefer sleeping in boxes.

To ensure all chickens have enough space, consider the number and size of them when deciding on the perch types and layout. Additionally, maintain the cleanliness and structural integrity regularly. Cleaning helps prevent mites and parasites which could harm their health. Inspect for any signs of wear and tear, preventing any potential accidents.

Creating an ideal sleeping environment with suitable roosting perches promotes comfortable rest. It also contributes to flock well-being and productivity. Optimize your flock’s sleeping area for maximum comfort! Roosting perches offer a place for chickens to relax and get a good night’s sleep.

Recommended height and materials for roosting perches

Roosting perches are essential for chickens to have a comfy and secure place to rest. The recommended height and materials for these perches are vital for the birds’ well-being.

First, the height of the roosting perches must be taken into consideration. Chickens prefer perches that are lifted off the ground; it gives them a feeling of safety and protection from potential predators. Perches that are at least 18 inches off the ground will make chickens feel safe while they’re sleeping.

The materials of the roosting perches are also important. Smooth and wide surfaces are best to avoid discomfort and potential foot injuries. Perches made from natural wood or PVC pipes provide stability and are easy to clean.

Additionally, different diameters of roosting poles can also help chickens exercise their feet muscles and prevent foot problems. Varying diameters reduce pressure points on their feet.

Lastly, to enhance grip and prevent slipping during sleep, it’s recommended to add non-slip material or cover the perch with sandpaper-like material. This is especially important if your chickens have feathered feet or if they are older.

Considering the recommended height and materials for roosting perches is key. Each chicken has its own preferences, so observing their behavior can help determine what works best for your flock. Providing a comfy perch will guarantee better sleep and contribute to the birds’ overall well-being.

In the end, roosting perches are indispensable for chickens, allowing them to fulfill their dream of peacefully snoozing in the treetops.

Tips for maintaining roosting perches

Maintaining roosting perches for chickens is essential for their well-being. Here are some tips to keep in mind:

  • Clean regularly to remove droppings or debris.
  • Inspect for damage and repair/replace as needed.
  • Choose the right size and spacing for the flock.
  • Select materials that are easy to clean.
  • Elevate the perches to encourage chickens to sleep on them.
  • Check regularly for any issues.

Besides these tips, chickens have preferences regarding sleeping positions. They may prefer one eye open, or take into account temperature, lighting and social hierarchy.

A friend of mine had a small flock – one of the perches was becoming unstable. She promptly replaced it with a new one, and her chickens were grateful. This highlighted how important maintenance and swift action are for chicken well-being.

Maintaining roosting perches is key for providing chickens a suitable sleeping environment. Following proper maintenance practices will help keep your flock safe, comfortable and well-rested.

Sleeping Environment

Chickens have interesting preferences when it comes to their sleeping environment. From choosing roosting over nesting boxes to the importance of a safe and clean sleeping area, understanding their needs is crucial. In this section, we’ll explore these aspects, providing insights into the factors that contribute to a comfortable sleeping environment for chickens.

The preference for roosting over nesting boxes

Chickens have a strong preference for roosting perches over nesting boxes when it comes to sleeping.

These perches provide a sense of security and comfort. Plus, they give chickens the advantage of being elevated off the ground, so they can avoid predators.

The perches also offer physical benefits. The chickens can relax their feet, which helps prevent fatigue and foot problems. The perches also enable better airflow, helping to regulate body temperature and promote comfort.

It is important for chicken owners to supply roosting perches. This will help their flock to rest and recharge for the next day’s activities.

So, let chickens sleep tight knowing that their roosting area will keep them safe.

Providing a safe and protected sleeping area

Chickens like roosting rather than nesting boxes, since it gives them a higher point to watch out for any possible danger. Ensuring protection from predators is essential – fences and nighttime confinement are useful to keep foxes and raccoons away. Cleanliness should be kept at all times to prevent bacteria and parasites from attacking chickens’ health. Adequate ventilation is also necessary to avoid moisture build-up and respiratory issues. The sleeping area should offer enough space for all chickens to roost without overcrowding and disturbances such as loud noises and lighting changes should be avoided.

Moreover, chickens can do unihemispheric slow-wave sleep (USWS) with one eye open as well as sleeping positions influenced by factors like temperature, social interactions, and comfort.

An extraordinary story of a chicken owner comes to mind – they had all the safety precautions in place and when a predator tried to get into the coop, none of the chickens got hurt! It just proves the importance of a secure and safe sleeping area for chickens. Keeping the coop clean is also important so chickens can rest comfortably.

Importance of cleanliness and maintenance

Cleanliness and regular maintenance are essential for chicken well-being. A clean sleeping area reduces the risk of diseases, parasites, and bacteria. Regular upkeep ensures the sleeping space is comfortable and secure for chickens.

Clean the coop or sleeping area regularly. Take out droppings, bedding, and other debris. Sanitize roosting perches to remove possible sources of infection.

Maintain the sleeping area for a suitable environment. Check and repair any damaged perches or structures. Make sure perches are strong and stable.

Ventilation is also important. Fresh air flow and temperature regulation help with chicken sleep. Inspect the coop for wear, damage, leaks, and drafts.

Cleanliness and maintenance help with healthy sleep, but other factors like lighting, temperature, noise, and social interactions are also vital. Optimal conditions across all these parameters will improve chicken health.

Natural Sleep Patterns and Disturbances

Natural Sleep Patterns and Disturbances

Photo Credits: Chipperbirds.Com by Daniel Wilson

Explore the natural sleep patterns and disturbances in chickens, including their sleep duration and schedule, signs of poor sleep and underlying issues, and ways to address sleep disturbances and ensure adequate rest. Discover fascinating insights into the sleep habits of these feathered creatures and learn how to promote healthy sleep in your flock.

Chicken sleep duration and schedule

Chickens are active during the day and sleep at night, following a diurnal pattern. They like to roost on high places, such as tree branches or perches. During the day, they forage, bathe, and socialize with other flock members.

Light and internal circadian rhythms influence their sleep patterns. Disruptions to the light-dark cycle can impact their sleep and health. So, it’s important to give them a quiet, dark place to rest undisturbed.

Also, chickens may take short naps throughout the day. These can last just a few minutes. To ensure they get proper sleep, provide a clean and safe roosting area. This will help them stay healthy and vigorous.

Signs of poor sleep and underlying issues

Chickens, like other living beings, can show signs of bad sleep. These signals can offer insights into their physical and mental health. Knowing these signs is key for chicken owners to tackle any potential problems and make sure their flock gets proper rest.

Signs to watch out for:

  • Restlessness: Chickens not getting enough sleep may be constantly moving, unable to find a comfortable spot.
  • Decreased activity: Not enough sleep leads to less overall activity. Chickens may seem sluggish or uninterested in their usual routine.
  • Behavioral changes: Poor sleep can change a chicken’s behavior. They might be more irritable or aggressive towards others.
  • Reduced appetite: Sleep deprivation can make chickens lose interest in eating. Food intake is important for health, and this could mean underlying sleep issues.
  • Feather abnormalities: Sleep disturbances can cause feather loss or damage.
  • Increased susceptibility to illness: No rest weakens the immune system and makes chickens more likely to get sick.

Chicken owners must observe their flock for these signs and act to improve their sleeping conditions if needed.

Chickens have specific sleeping habits that can cause poor sleep or other issues. For example, they often sleep with one eye open to stay safe from predators. But this constant alertness prevents them from reaching deeper sleep stages.

Uncomfortable sleeping positions or an unsuitable sleeping environment can also disturb their sleep and lead to poor sleep quality.

By understanding these needs and providing an ideal sleeping environment, owners can help chickens avoid sleep disturbances and get the rest they need for good health and well-being.

Addressing sleep disturbances and ensuring adequate rest

Chickens are vulnerable to various sleep disturbances that can harm their health. It’s vital for chicken owners to address these issues and ensure their flock gets proper rest. By understanding the natural sleep habits of chickens and taking the right measures, such as providing a suitable sleeping environment, owners can help their chickens sleep well.

Chickens have special sleeping habits that can be disturbed by different things. For example, they can sleep with one eye open, so they can stay partially aware and awake against potential predators. Plus, chickens have different sleeping postures depending on factors like temperature, comfort, and the social hierarchy in the group. Addressing these is key to good rest and few sleep problems.

To make sure chickens get enough rest, owners should give them proper roosting perches. These perches are raised platforms where chickens can sleep comfortably and safely. They should be the right height and made of material that allows firm gripping. Regular maintenance of the perches is also necessary to stop any injuries or uneasiness during sleep.

Ensuring good rest for chickens involves addressing sleep disturbances and providing sufficient rest. This means considering their preference for roosting over nesting boxes. While nesting boxes are mainly used for laying eggs, chickens generally prefer roosting at higher levels during sleep. It’s wise to have a separate area just for roosting, where they can feel protected from noise, drafts, and other disturbances.

In addition to the physical aspects of the sleeping area, tidiness is important in making sure chickens get proper sleep. Cleaning the sleeping area often stops parasites and diseases that could affect their sleep cycles or make them uncomfortable. Good ventilation within the coop also helps manage the temperature and air quality, which is great for sleep.

For chickens to stay healthy, it’s essential to take steps to address sleep disturbances and ensure they get enough rest.

Conclusion

Concluding our exploration of chicken sleep habits, we will recap the main points discussed, highlight the importance of a suitable sleeping environment for chickens, and explore how proper sleep practices promote their overall well-being and health.

Recap of main points on chicken sleep habits

Chicken sleep habits are a clucking important topic! Here are the main points:

  1. Chickens engage in Unihemispheric Slow-Wave Sleep (USWS), where one eye stays open.
  2. Roosting perches provide a safe, elevated sleeping area.
  3. Chickens prioritize roosting over nesting boxes.
  4. A protected sleeping environment is key for their well-being.
  5. Addressing any sleep disturbances is a must.

More details: Chickens have specific sleep behaviors, such as sleeping with one eye open and preferring certain positions. These behaviors depend on comfort, safety, and flock dynamics. USWS is a unique adaptation to the wild, ensuring survival even during rest.

To ensure chickens get a good night’s sleep, chicken owners should create a cozy coop. Consider the flock’s roosting preferences, keep it clean, provide protection, and address sleep disturbances. That way, chickens will be clucking content!

Importance of creating a suitable sleeping environment for chickens

Creating a sleep environment for chickens is essential for their health. Chickens have special sleeping habits and needs. Providing them with the correct sleep environment can make a big difference in their rest.

Roosting is better than nesting boxes for chickens. They like to sleep on perches that are high off the ground. This matches their natural instinct to feel secure from danger. Make sure your chicken coop has enough roosts.

Keeping the sleeping area clean is essential. Dirty or unclean conditions can cause bacteria and parasites, which affect the chickens’ health and sleep. Cleaning and disinfecting the coop regularly, as well as offering clean bedding, are important steps.

Also, it is important to keep chickens away from environmental disturbances. They are sensitive to loud noises and sudden movements, which can disturb their sleep. Offering a quiet and calm sleeping area away from loud machinery and barking dogs will help them rest undisturbed.

To summarize, understanding how to provide a good sleep environment is very important for chickens. By considering their likes, staying clean, and protecting them from noise, we can give chickens the best sleeping conditions.

Promoting overall well-being and health through proper sleep practices

Unihemispheric Slow-Wave Sleep (USWS) is an intriguing sleep habit in chickens. It helps them stay alert while resting, with one side of their brain awake. This is similar to humans, who also need proper sleep.

Unique sleeping behaviors show the importance of good sleep for chickens. They keep an eye open for danger while resting. Environmental and social factors also shape their sleep positions.

Roosting perches are a must for good sleep. They give chickens safety and comfort, like they would have in trees. Different types and heights of perches help. Regular maintenance and cleaning are important too.

Creating an ideal sleeping space is more than just perches. Cleanliness and hygiene are essential. Chickens prefer roosting to nesting boxes. A safe, quiet spot away from disturbances helps them sleep well and reduce stress.

Monitoring sleep duration and patterns helps identify any underlying problems. Proactive management and a commitment to good sleep habits boost their overall wellbeing.

Some Facts About How Do Chickens Sleep:

  • ✅ Chickens sleep and be awake at the same time, a phenomenon known as unihemispheric slow-wave sleep (USWS). (Source: Team Research)
  • ✅ Chickens experience REM (rapid eye movement) sleep, which is dream time. (Source: Team Research)
  • ✅ The duration of deep sleep, known as slow-wave sleep, is shorter in birds, including chickens, compared to humans. (Source: Team Research)
  • ✅ Chickens can sleep with one eye open and one eye closed due to their divided brain. (Source: Team Research)
  • ✅ Chickens prefer to sleep on roosting perches for safety and protection. (Source: Team Research)

FAQs about How Do Chickens Sleep

How do chickens sleep on a tree branch?

Chickens have a natural instinct to roost high and nest low, so sleeping on a tree branch is a preferred sleeping position for them. The roosting perches should resemble tree branches and be installed at a height of at least 1.5 to 3 feet off the ground. This elevated area allows chickens to feel safe and protected while they sleep.

What are the considerations for choosing a roosting perch made of wood planks?

When choosing a roosting perch made of wood planks, it is important to make sure the surface is smooth and free of sharp edges or splinters. The roosting bar should be sturdy, rounded, and about 50mm in diameter to prevent foot problems. Additionally, the roost should be placed at least 45cm from the ground to provide chickens with a secure and comfortable sleeping spot.

Why do chickens prefer roosting perches that are 25 centimeters per chicken?

Chickens prefer roosting perches that provide approximately 25 centimeters of space per chicken because it allows them enough room to settle down comfortably. Having enough space on the roosting bar ensures that chickens can properly balance themselves and avoids overcrowding, which can lead to stress and aggression among the flock.

Can chickens sleep in their nesting area?

While chickens may occasionally sleep in nesting boxes, it is generally not recommended. Sleeping in the nesting area can lead to broken or eaten eggs and exposure to fumes and parasites. It’s important to provide chickens with separate roosting perches and nesting areas to maintain cleanliness and protect egg production.

Why do chickens sleep in a curled-up position?

Chicks often sleep in a curled-up position as it keeps them warm and allows them to snuggle with their siblings. However, it is not recommended for adult chickens to sleep on the ground due to the risk of predation and unsanitary conditions. Adult chickens should be provided with roosting perches to ensure they maintain a safe and comfortable sleeping environment.

How do chickens sleep with one eye open?

Chickens have a unique sleep pattern called unihemispheric slow-wave sleep (USWS), where one half of their brain rests while the other half remains awake and alert. This allows chickens to sleep with one eye closed and one eye open, enabling them to be on guard for potential predators even while they are resting.

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