Ashwin Lewis
Sleep is important for everyone, but some people need it more than others. For example, workers in the motion picture industry frequently work up to 19 hours a day, leading to dangerous sleep deprivation. This can cause excessive time away from their families and an unhealthy lifestyle. However, there are some people who seem to thrive on little sleep, such as the man who has been awake since the Second World War mentioned in the Barenaked Ladies' song 'Who Needs Sleep?'.
| Characteristics | Values |
|---|---|
| Amount of sleep needed | Varies from individual to individual |
| Factors that influence sleep | Genetic, cultural, environmental, and behavioural factors |
| Sleep and health | Chronic lack of sleep or poor quality sleep increases the risk of health problems like high blood pressure, cardiovascular disease, diabetes, depression, and obesity |
| Sleep and brain function | Sleep is important to a number of brain functions, including how nerve cells (neurons) communicate with each other |
| Sleep and human evolution | Sleeping in one consolidated block at night allowed early humans to avoid predators, conserve energy, and meet their need for rest |
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What You'll Learn
People who work in the motion picture industry
Everyone needs sleep, but some people are more sleep-deprived than others. One group of people who are often sleep-deprived are those who work in the motion picture industry. Workers in this industry frequently work up to 19 hours a day, which is far beyond anything that can be considered safe or healthy. This excessive working time leads to dangerous sleep deprivation and means that these workers spend less time with their families.
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People with insomnia
To manage insomnia, it is essential to identify and address the underlying causes. This may involve stress management techniques, cognitive-behavioural therapy, or addressing any physical health issues. Creating a relaxing bedtime routine, limiting screen time before bed, and establishing a consistent sleep schedule can also help.
Additionally, people with insomnia should ensure their bedroom is optimised for sleep. This includes maintaining a cool, dark, and quiet environment, investing in comfortable bedding and pillows, and minimising distractions like bright lights or electronic devices.
Lifestyle factors also play a crucial role in managing insomnia. Regular exercise, a balanced diet, and avoiding stimulants like caffeine and nicotine can improve sleep quality. Establishing a consistent sleep routine, including a wind-down period before bed, can help prepare the body and mind for sleep.
For some individuals with insomnia, medication may be necessary. Sleep aids or melatonin supplements can be considered as a short-term solution, but it is essential to consult a healthcare professional before taking any sleep medications.
By addressing the underlying causes, optimising the sleep environment, and adopting healthy lifestyle habits, people with insomnia can improve their sleep quality and duration, leading to enhanced overall well-being.
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People who count sheep
Sleep is important for everyone, but some people are more sleep-deprived than others. For example, workers in the motion picture industry frequently work up to 19 hours a day, leading to dangerous sleep deprivation.
Counting sheep is a mental exercise used in some Western cultures as a means of putting oneself to sleep. The idea is to induce boredom while occupying the mind with something simple, repetitive, and rhythmic, all of which are known to help humans sleep. The practice is largely a stereotype, and rarely used as a solution for insomnia, but it has been so commonly referenced by cartoons, comic strips, and other mass media, that it has become deeply ingrained into popular culture's notion of sleep.
The origin of counting sheep to fall asleep is not known for certain, but there are a few speculations. The most popular belief has to do with shepherds in medieval Britain. Apparently, if shepherds used communal grazing land, they were obligated to keep a headcount of their sheep each night. So before they went to sleep, they counted their sheep to ensure that they were all accounted for. The expression may also date back to Islamic culture, as a 12th-century book of fables suggests that counting sheep had already been a cultural trope for centuries.
While counting sheep may be an effective way to help some people fall asleep, recent research at Oxford University suggests that it may actually prolong the amount of time it takes to fall asleep. In a recent sleep study, Oxford researchers found that people who counted sheep took longer to fall asleep than they normally would have if they hadn't counted sheep. On the other hand, they found that people who instead imagined a relaxing scene, such as a peaceful beach or a soothing waterfall, fell asleep an average of 20 minutes earlier.
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People who work long hours
Sleep is important for everyone, but some people need more of it than others. It's rare, but some people can function on just four and a half hours of sleep a night. These people are known as short sleepers and tend to score higher than average on tests of energy, optimism and pain tolerance. Research suggests that short sleepers have a mutation in seven genes that play a role in regulating sleep and mood.
However, most people need more sleep than this. Some people need eight to nine hours of sleep a night, and if they don't get it, they feel foggy. If you're someone who works long hours, it's important to make sure you're getting enough sleep. If you're not getting enough sleep, you might want to consider taking a nap during the day. Napping is relatively common in the United States, and in some countries, it's the norm. Our bodies tend to dip in energy during the early afternoon, so napping around that time is more natural than avoiding sleep until nighttime. If you're trying to get more sleep, experts recommend avoiding naps to ensure a better night's sleep. However, if you've missed out on sleep, a tactical nap of around 20 minutes can help recharge your body.
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People who are awake since the Second World War
Everyone needs sleep. Sleep-deprivation is dangerous and can lead to health issues. However, there are some people who claim to have gone without sleep for long periods of time. For example, there is a man who claims to have been awake since the Second World War. He says that he has insomnia, but he is grateful to have a bed to sleep in and a doctor to call, which is more than people in war-torn countries have.
Another example is a Vietnamese man who claims to have been awake since 1973, when he had a fever. However, this has never been studied, only reported, and there are theories that he may be taking micro-naps.
There is also the case of a Hungarian man who was shot in the frontal lobe during World War I, which made it impossible for him to fall asleep. He lived a full, sleepless life.
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Frequently asked questions
Everyone needs sleep. Sleep deprivation can be dangerous and can lead to excessive time away from family and friends.
People who work in the motion picture industry are at risk of sleep deprivation, as they frequently work up to 19 hours a day.
Sleep deprivation can be dangerous to your health and can lead to an unbalanced life.
The amount of sleep a person needs varies depending on their age, lifestyle, and individual differences. However, the National Sleep Foundation recommends that adults get between 7 and 9 hours of sleep per night.
Signs of sleep deprivation include feeling tired during the day, having trouble concentrating, and experiencing mood changes. If you are experiencing any of these symptoms, it is important to prioritize getting enough sleep.
