Sleep

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The first demonstration of a circadian rhythm by Jean Jacques d’Ortous de Mairan in 1729

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Evening

4:30 am

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State Generators

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Neurochemical regulation of awake and sleep and REM and Non-REM

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REM  Sleep

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"Video"

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Sense of Humor
in Sleep Deprivation

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REM Deprivation

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Snoring
and
Sleep Apnea

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