Try Our Apps
Dictionary.com

follow Dictionary.com

Avoid these words. Seriously.

sleep-wake cycle

[sleep-weyk] /ˈslipˈweɪk/
noun
1.
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.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source

Word of the Day

Nearby words for sleep-wake cycle

Word Value for sleep

7
9
Scrabble Words With Friends