Bulgarian translation: циркаден ритъм на бодърстване
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English to Bulgarian translations [PRO] Medical - Medical (general) / PHYSIOLOGY OF CIRCADIAN RHYTHMICITY
English term or phrase:circadian wake propensity rhythm
Paradoxically, the endogenous circadian rhythms of sleep tendency, sleepiness, and REM sleep propensity all peak near the habitual wake time, just after the nadir of the endogenous circadian temperature cycle, whereas the circadian wake propensity rhythm peaks 1 to 3 h before the habitual bedtime. These rhythms are thus timed to oppose the homeostatic decline of sleep tendency during the habitual sleep episode and the rise of sleep tendency throughout the usual waking day, respectively.