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Sleep and wakefulness are endogenous, recurring, behavioral states that reflect coordinated changes in the dynamic functional organization of the brain and that optimize physiology, behavior, and health. Homeostatic and circadian processes regulate the propensity for wakefulness and sleep. Sleep is a reversible state, characterized by postural recumbence, behavioral quiescence, and reduced responsiveness. It involves predictable cycling of non-rapid eye movement (NREM) and rapid eye movement (REM). It is affected by experiences during wakefulness, and has restorative and transformative effects that optimize neurobehavioral functions during wakefulness.
CTorgerson about five years ago.

Asserted relationships to other concepts

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Tasks that are asserted to measure sleep

TaskContrast Measure

Pittsburgh Sleep Quality Index
  • total score
(details) 

autism diagnostic interview - revised
  • sleep problems
(details) 

Center for Epidemiologic Studies Depression Scale
  • sleep
(details) 

User Discussion


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Term History

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Term Bibliography

Functional neuroimaging of normal human sleep by positron emission tomography.
Maquet P
(J Sleep Res)
2000 Sep
Citation added by ACostanzo about four years ago
Citation Profile

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