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Sleep is a state of mind and body that typically happens every night. Sleep occurs when your eyes are closed, your muscles are in a relaxed state, and surrounding factors are less recognized.
See the fact file below for more information on the sleep or alternatively, you can download our 24-page Sleep worksheet pack to utilise within the classroom or home environment.
Key Facts & Information
- The most evident physiological changes during sleep happen in the brain.
- Sleep increases the weakest stimulus.
- Sleep is divided in two different states: REM and non-REM.
- Non-Rapid Eye Movement (non-REM) sleep is the first to happen.
- After the state of transition, slow-wave sleep or deep sleep occurs.
- During deep sleep, your body temperature and heart rate decreases and the brain utilizes less power.
- Rapid Eye Movement (REM) sleep is known as paradoxical sleep.
- REM sleep represents only a little part of the total sleep time.
- REM sleep is the main state for dreams (or nightmares).
- REM sleep is related to fast brain waves, eye movements, loss of muscle tone, and delay of homeostasis.
- The sleep cycle of joined non-REM and REM sleep takes an average of 90 minutes and happens 4 to 6 times in a good night’s sleep.
- Non-REM has been divided into three stages by the American Academy of Sleep Medicine, which are N1, N2, and N3.
- N3 is also called slow-wave sleep or delta sleep.
- The whole sleep process happens in this order: N1 – N2 – N3 – N2 – REM.
- REM sleep happens when a person goes back to stage 2 or 1 coming from a deep sleep.
- The human’s physical body restores and heals itself during sleep.
- The human’s physical body gets rid of metabolic waste that accumulates when awake. The brain when sleeping gets rid of waste faster than when awake.
- In theory, sleep fights the growth of free radicals in the brain by raising the effectiveness of internal antioxidant mechanisms.
- Sleep raises the body’s count of white blood cells.
- Sleep improves memory.
- Sleep timing relies on signals from the body’s hormones from the circadian clock.
- The circadian clock is a complex neurochemical system which uses signals from a creature’s surroundings to remake an internal day–night patterned movement.
- Someone whose circadian clock shows a regular patterned movement relative to external signals is said to be entrained.
- An entrained patterned movement still occurs even if the external signals suddenly disappear.
- For diurnals, sleepiness rises when night time comes.
- For nocturnals, sleepiness rises in the day.
- The internal circadian clock of diurnals is affected by changes in light because these are its main signs of what time it is.
- When you are exposed to even small amounts of light, this can affect sleepiness because light can suppress melatonin secretion and raise the body temperature and wakefulness.
- Blue light has the most powerful effect on interrupting sleep.
- Sleep’s driver is called Process S, which is driven by the consumption of glycogen and the collection of adenosine in the forebrain.
- Adenosine is a neurotransmitter that serves as a homeostatic regulator of sleep.
- Homeostasis is the process that controls the balancing between sleeping and waking.
- The longer a creature is awake, the more it feels the need to sleep. This is referred to as sleep debt.
Different Sleep Patterns
- Sleep deprivation is lack of sleep, whether it’s intentional or not.
- Sleep deprivation can cause a shortened attention span, increased anxiety, defective memory, and a grumpy mood.
- Human beings seem to attain maximum sleepiness after 30 hours of being awake.
- Sleep in humans can be affected when other people are awake or when there is a need to work, which are both aspects of social time.
- When a creature sleeps many times in a 24-hour cycle, it is called polyphasic sleep.
- Monophasic sleep is sleeping once in a 24-hour cycle.
- Chronotypes are different sleep patterns, such as the early bird and night owl.
- Chronotypes that are far from the normal phase are called circadian rhythm sleep disorders.
- Short naps at mid-day and mild evening exercise were discovered to be productive for enhanced sleep, mental tasks, and mental health in elderly people.
- Many people encounter a temporary drop in energy in the early afternoon known as the “post-lunch dip.”
- It is normal when a human being feels sleepy two times a day which is 12 hours apart. At those two times, the “body clock” chimes in.
- Sleep is considered to be enough when there is no sleepiness or dysfunction during the day.
- Researchers have discovered that sleeping 6–7 hours every night relates to life span and cardiac health in humans, among other factors.
- The hours that children spend sleeping affects their ability to perform mental tasks.
- Children who sleep through the night and have few night waking episodes have more mental achievements and calmer temperaments than other children.
- Insomnia is the difficulty in falling asleep and/or staying asleep through the night. This is the most common sleep disorder.
- Insomnia can be caused by different factors like psychological stress, a poor sleep environment, an unstable sleep schedule, or too many mental or physical tasks before sleeping.
- White noise is a possible treatment for insomnia.
- Obstructive sleep apnea is a condition in which major pauses in breathing happen while asleep which disrupts the normal advancement of sleep.
- Apneas happen when the muscles around the patient’s airway relax during sleep, causing the airway to give up and block oxygen absorption.
- Other sleep disorders are narcolepsy, periodic limb movement disorder (PLMD), restless leg syndrome (RLS), upper airway resistance syndrome (UARS), and the circadian rhythm sleep disorders.
- Fatal familial insomnia, or FFI, is an extremely rare genetic disease with no known treatment or cure.
- One of FFI’s symptoms is increasing insomnia.
- Sufferers of FFI stop sleeping completely before dying of the disease.
- Somnambulism, commonly called sleepwalking, is a common sleeping disorder especially among children.
- Sleep difficulties are connected to psychiatric disorders such as depression, alcoholism, and bipolar disorder. Around 90 percent of humans experiencing depression are discovered to have sleep difficulties.
This is a fantastic bundle which includes everything you need to know about sleep across 24 in-depth pages. These are ready-to-use Sleep worksheets that are perfect for teaching students about the sleep which is a state of mind and body that typically happens every night. Sleep occurs when your eyes are closed, your muscles are in a relaxed state, and surrounding factors are less recognized.
Complete List Of Included Worksheets
- Sleep Facts
- Sleep Word Hunt
- Term Identification
- Sleep Disorders
- Diurnal or Nocturnal
- Why Sleep?
- I Can’t Sleep!
- States of Sleep
- Slept vs. Stayed Awake
- Sleep Slogans
- Sleep Journal
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Link will appear as Sleep Facts & Worksheets: https://kidskonnect.com - KidsKonnect, November 20, 2018
Use With Any Curriculum
These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.