circadian rhythm

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“I’ve noticed it makes me very low energy because my circadian rhythm relies on the sunrise to really wake up,” said Hannah M. Le, founder of Buckle Scrunchies, a hair-tie brand.

From MarketWatch • Mar. 6, 2026

I’ve learned from experts over and over about how exposing yourself to natural light, even on an overcast day, either resets or talks to your circadian rhythm.

From The Wall Street Journal • Feb. 16, 2026

The circadian rhythm plays a central role in regulating cardiovascular and metabolic function.

From Science Daily • Feb. 15, 2026

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

From BBC • Oct. 10, 2025

Not only was this arrangement bad for the astronaut’s circadian rhythm, but the astronaut who was on duty made enough noise as he went about his work to keep his partner awake.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins