Overview Of Sleep
Published on Nov 19, 2015
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PRESENTATION OUTLINE
Circadian rhythm
is a roughly 24 hour cycle in the physiological processes of living beings, including plants, animals, fungi and cyanobacteria.
Photo by Oregon State University
Sleep stages
REM sleep
a kind of sleep that occurs at intervals during the night and is characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.
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Insomnia
habitual sleeplessness; inability to sleep.
synonyms: sleeplessness, wakefulness, restlessness, inability to sleep
"I've tried every wild remedy for insomnia, including cinnamon baths and standing on my head"
Photo by Stéphane Giner
Narcolepsy: a condition characterized by an extreme tendency to fall asleep whenever in relaxing surroundings.
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Sleep apnea
Sleep apnea is a serious sleep disorder that occurs when a person's breathing is interrupted during sleep. People with untreated sleep apnea stop breathing repeatedly during their sleep, sometimes hundreds of times.
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