sleep-wake cycle
[ sleep-weyk ]
/ ˈslipˈweɪk /
noun
Physiology. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
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Words nearby sleep-wake cycle
sleep shade, sleepshirt, sleep sofa, sleep-terror disorder, sleep through, sleep-wake cycle, sleepwalk, sleepwalking, sleepwear, sleep with, sleepy
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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