circadian

She notes the importance of keeping waking and sleeping times similar throughout the year to regulate your circadian rhythm.

Late night TV, which once had to be watched, well, late at night — it had a sort of circadian component — has been atomized into clips to watch when you like.

Sleep is controlled through an internal process known as the circadian system that repeats roughly every 24 hours.

“When the bioenergetics are damaged, you can imagine that it has detrimental effects … impacting your immune system and circadian rhythm.”

Alcohol also affects circadian rhythms — the 24-hour body clock that responds to environmental light cues in order to synchronize our sleep-wake cycle.