/sleep"wayk"/
Physiol. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
/sleep"wayk"/
Physiol. the species-specific biological pattern of alternating sleep and wakefulness, in humans roughly 8 hours of nocturnal sleep and 16 hours of daytime activity.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012