sleep-wake cycle

[ sleep-weyk ]

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.

Example Sentences

So, this carp species does not fall into a fainting state, as it is common in narcolepsy and does not require orexin to regulate their sleep-wake cycle.

From Science Daily

“Daylight exposure synchronizes our internal clock with the external environment, reinforcing our sleep-wake cycle,” he told The Times over email.

From Los Angeles Times

Researchers believe magnesium may reduce cortisol, a stress hormone; increase melatonin, a hormone that promotes the sleep-wake cycle; and help regulate neurotransmitters for the central nervous system, per Medical News Today.

From Salon

"Napping can be a helpful strategy for older adults," says Dr. Ryan Sultan, "but the timing and duration matter. Short naps of around 20 to 30 minutes can boost alertness without interfering with nighttime sleep. However, extended or late-afternoon naps might disrupt the sleep-wake cycle, making it harder to fall asleep at night."

From Salon

This hormone regulates our sleep-wake cycle and is the same stuff sold in supplements at pharmacies.

From Salon