Miya Pearson
Sleeping while standing up is a common practice in the animal kingdom, with horses and flamingos being notable examples. However, humans often struggle with this sleeping position, which is usually adopted during napping on planes or long car rides. While it is challenging for humans to sleep while standing due to the loss of muscle tone during REM sleep, it has been observed in certain situations, such as soldiers on nighttime sentry duty. Some claim that it is possible to nap while standing, which can help relieve fatigue and drowsiness. However, it is generally recommended to sleep lying down, as it is more comfortable and allows for better rest.
| Characteristics | Values |
|---|---|
| Common in animal kingdom | Horses, flamingos, and other animals are adept at sleeping while standing or sitting upright. |
| Humans | Humans often struggle with sleeping upright due to the loss of muscle tone during REM sleep. |
| Occasions | Humans may sleep upright during plane rides, long car rides, or while on nighttime sentry duty. |
| Health risks | Sleeping upright can increase the risk of deep vein thrombosis (DVT), a potentially fatal condition. |
| Sleep quality | Sleeping while standing may not be as comfortable or provide as much rest as lying down. |
| Meditation | Buddhist monks have achieved the ability to sleep while standing through meditation, claiming it to be more comfortable than lying down. |
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What You'll Learn
- Sleeping upright is challenging for humans due to muscle relaxation and loss of tone during REM sleep
- Some sleep disorders cause people to stand up and walk around without waking up, known as sleepwalking
- Napping while standing can relieve fatigue and drowsiness, but you won't get as much sleep
- Soldiers on sentry duty and Buddhist monks are known to sleep while standing, a skill that takes practice
- Sitting or sleeping upright for extended periods increases the risk of deep vein thrombosis (DVT)
Sleeping upright is challenging for humans due to muscle relaxation and loss of tone during REM sleep
Sleep is a body process that allows the body to rest, repair, and restore itself. Lack of sleep has been linked to many health issues. During sleep, the body goes through different stages, including rapid eye movement (REM) sleep and non-rapid eye movement (NREM) sleep. NREM sleep has three stages, and REM sleep is the fourth stage of sleep.
Sleeping upright is a common practice in the animal kingdom. However, humans often struggle with sleeping in an upright position, especially when it is required, such as napping on planes or during long car rides. This difficulty is partly due to the relaxation of muscles and loss of muscle tone during certain stages of the sleep cycle, particularly during REM sleep.
During REM sleep, the brain exhibits mixed-frequency brain wave activity similar to that observed during wakefulness. The eyes move rapidly behind closed eyelids, and breathing becomes faster and irregular. The heart rate and blood pressure also increase to near-waking levels. Additionally, the muscles of the arms and legs experience temporary paralysis, known as muscle atonia, which prevents individuals from acting out their dreams. This temporary loss of muscle tone makes it challenging to maintain an upright posture while asleep.
Furthermore, the risk of deep vein thrombosis (DVT) increases when sitting uninterrupted for extended periods. DVT is a potentially fatal condition characterized by the formation of blood clots in the veins of the thigh or lower leg. If the clot travels to the lungs, it can lead to a life-threatening pulmonary embolism. Therefore, it is crucial to take measures to prevent DVT, such as periodically standing up and stretching during long periods of immobility.
While sleeping upright is challenging for humans due to muscle relaxation and loss of tone during REM sleep, it is not inherently unhealthy. However, it is important to be aware of the potential risks, such as DVT, and take the necessary precautions to ensure adequate rest and maintain good sleep quality. Maintaining a healthy weight, engaging in physical activity, and consulting a healthcare provider can also contribute to improving sleep quality.
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Some sleep disorders cause people to stand up and walk around without waking up, known as sleepwalking
Sleepwalking, or somnambulism, is a sleep disorder that causes people to stand up and walk around without realising they are asleep. Sleepwalking is a parasomnia, a type of sleep disorder characterised by abnormal behaviours during sleep. Parasomnias can occur when falling asleep, during sleep, or when waking up.
Sleepwalking usually involves a partial waking, where the sleeper doesn't fully regain consciousness. Sleepwalkers may also experience a lack of coordination, with their movements appearing clumsy or awkward. Sleepwalking usually occurs within the first two or three hours of falling asleep.
Sleepwalking is widespread in children, with around 5% to 15% of children experiencing it, and is less common in adults, affecting 1% to 1.5% of the adult population. Most people grow out of sleepwalking as they get older. However, sleepwalking can be triggered in adults by other sleep disorders, such as sleep apnea, or by alcohol consumption, mental health issues, thyroid conditions, brain-related diseases, and environmental factors.
Sleeping while standing is difficult for humans due to the loss of muscle tone during REM sleep. However, some sleep disorders can cause people to stand up and walk around during sleep. While sleeping upright is not inherently unhealthy, it can increase the risk of deep vein thrombosis (DVT) due to uninterrupted sitting or standing.
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Napping while standing can relieve fatigue and drowsiness, but you won't get as much sleep
Napping while standing is a challenging practice for humans due to the loss of muscle tone during REM sleep, which is essential for the body to rest, repair, and restore itself. However, it can be observed in certain situations, such as soldiers on sentry duty. While napping in this position can be difficult, it can provide some relief from fatigue and drowsiness.
REM sleep, or rapid eye movement sleep, is a critical stage of the sleep cycle where the body experiences temporary muscle paralysis, allowing for dreams and the consolidation of memories. This loss of muscle tone makes sleeping upright or standing less comfortable and can increase the risk of deep vein thrombosis (DVT), a potentially fatal condition.
Standing naps may provide a quick energy boost, but they do not offer the same restorative benefits as lying down. The body requires a significant amount of sleep to function properly, and standing naps typically do not provide sufficient duration or quality of sleep.
While napping can be beneficial, it is important to consider the potential drawbacks. Napping for too long or too frequently can negatively impact overnight sleep quality and has been linked to health issues, especially in older adults. However, a short nap of 10 to 30 minutes can improve mood, boost memory, enhance learning, and increase alertness without causing sleep inertia, making it a better choice than caffeine.
To optimize sleep quality, it is recommended to maintain a healthy weight, stay physically active during the day, and reserve the bedroom for sleeping and intimate activities. Additionally, consulting a healthcare provider can help address specific sleep needs and concerns.
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Soldiers on sentry duty and Buddhist monks are known to sleep while standing, a skill that takes practice
While sleeping while standing is a common practice in the animal kingdom, it is more difficult for humans due to the loss of muscle tone during REM sleep. However, it is possible, and some people have been known to do it, including soldiers on sentry duty and Buddhist monks.
Soldiers on sentry duty, or guard duty, have been known to sleep while standing. Historically, this was considered an offence, with serious consequences, including imprisonment and even death. For example, during World War I, British soldiers fighting for the British Empire were executed for sleeping on duty. In another example, Private Jack Dunn, a journalist-turned-soldier, was charged and sentenced to death after being found asleep while on sentry duty.
Today, it is still a challenge for soldiers to stay awake during sentry duty, and it takes practice to develop this skill. Soldiers may face disciplinary action if they fall asleep while on duty, although the consequences are not as severe as they once were.
Buddhist monks also practice sleeping while standing as part of their spiritual discipline. This may be informed by the belief that lying on the right side is the most suitable sleeping position for practitioners, likened to "the lion lying down (sīhaseyya)." The lion is considered the king of all animals, and sleeping on the right side is thought to promote constant wakefulness, diligence, and vigilance.
While sleeping while standing is challenging for humans, it is possible to develop this skill with practice. However, it is important to note that standing for too long can increase the risk of deep vein thrombosis (DVT), a potentially fatal medical condition.
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Sitting or sleeping upright for extended periods increases the risk of deep vein thrombosis (DVT)
Sleep is a bodily process that allows the body to rest, repair, and restore itself. While sleep is essential for overall health, certain sleeping positions and conditions can increase the risk of deep vein thrombosis (DVT). DVT is a serious medical condition that occurs when a blood clot forms in a deep vein, usually in the legs. It can, however, occur in other parts of the body, including the arms, brain, intestines, liver, or kidneys.
Sitting or sleeping upright for extended periods increases the risk of DVT. This is because staying in the same position for long periods can slow blood circulation, increasing the likelihood of clot formation. Additionally, during the rapid eye movement (REM) stage of sleep, the body experiences a loss of muscle tone, which causes the arms and legs to feel temporarily paralyzed. This temporary paralysis makes sleeping upright less comfortable compared to sleeping on your side, back, or stomach.
The risk of developing DVT is also higher in individuals who sleep for excessively long periods without movement, such as those who are sedated, ill, or extremely fatigued. Other factors that increase the risk of DVT include age, obesity, pregnancy, surgery, injury, and long-term bed rest due to medical conditions or paralysis.
To prevent DVT, it is important to maintain movement and avoid staying in the same position for too long. When traveling, take frequent breaks to stretch and move your legs. If you are on a long flight, stand up and walk occasionally, and consider wearing compression socks to enhance circulation. Maintaining a healthy weight, staying hydrated, and engaging in regular physical activity can also help reduce the risk of DVT.
While sleeping upright may be challenging for humans due to the loss of muscle tone during REM sleep, it is a common practice in the animal kingdom. Some animals, such as horses and flamingos, are adept at sleeping while standing, with specialized anatomical features that allow their legs to lock into place.
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Frequently asked questions
Sleeping while standing is challenging for humans due to the loss of muscle tone during REM sleep. However, it has been observed in specific scenarios, such as soldiers on sentry duty. Some sleep disorders can also cause people to stand up and even walk while asleep.
Sleeping while standing can help relieve fatigue and drowsiness, and you will likely wake up sooner compared to lying down.
It is generally agreed that sleeping while standing is not a simple feat, and it is not recommended to attempt it. However, Buddhist monks have achieved this ability through meditation, claiming that it is more comfortable than lying down.
