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Draft:Outline of sleep

From Wikipedia, the free encyclopedia

The following outline is provided as an overview of and topical guide to sleep:

Sleep – naturally recurring state of muscle relaxation and reduced perception of one's surroundings, with a decreased ability to react to stimuli, similar to being in a coma, but more easily reversed by being woken up. Adequate sleep is essential for maintaining health. During sleep, most of the body's systems enter an anabolic state, helping to restore the immune, nervous, skeletal, and muscular systems. Sleep occurs in repeating periods, during which the body alternates between non-REM and REM ("rapid eye movement") sleep. Dreams occur during sleep—fantasies in narrative form resembling waking life while in progress, but usually distinguishable from reality upon waking. People may suffer from various sleep disorders, classified as dyssomnias, parasomnias, and circadian rhythm sleep disorders.

What type of thing is sleep?

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Sleep can be described as all of the following:

Types of sleep

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Sleep phases

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Sleep in animals

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  • Aestivation - State of dormancy in animals during hot periods
  • Hibernation - State of inactivity and metabolic depression in animals

Persons by sleep pattern

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Sleep equipment

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  • Alarm clock - Device used to wake sleepers at a specified time
  • Bed - Piece of furniture used for sleeping or resting
    • Polish bed - Bed that features a small canopy supported by curved corner poles
  • Bedroom - Room designated for sleeping
  • Blindfold - Cover worn over the eyes to block light during sleep
  • Sleep diary - Journal used to track sleep times and habits
  • Sleep pod - Enclosed space designed for napping or short-term sleep
  • White noise machine - Device that produces ambient sounds to mask disruptive noises and promote sleep

Sleep and health

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Sleep medicine

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Biology of sleep

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Sleep disorders

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History of sleep

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History of sleep

Sleep organizations

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Sleep publications

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Persons influential in sleep

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See also

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References

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