body clock
noun
: the internal mechanisms that schedule periodic bodily functions and activities
—usually not used technically
Examples of body clock in a Sentence
It takes a while for my body clock to get adjusted when I fly from New York to London.
Recent Examples on the Web
The body clock is constantly being pulled back toward a daytime schedule by light, social obligations and rotation patterns.
—
Allison Palmer, Sacbee.com, 15 May 2026
Circadian lighting is a full daily protocol sleep researchers use to keep their body clocks dialed in, and the morning matters more than the evening.
—Allison Palmer, Charlotte Observer, 9 May 2026
Then, sleep strategically to help your body clock reset.
—Alesandra Dubin, Southern Living, 14 Apr. 2026
Getting sunlight in the morning can help your body clock reset faster.
—Julie Scott, Verywell Health, 7 Apr. 2026
See All Example Sentences for body clock
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Allison Palmer, Sacbee.com, 15 May 2026
Circadian lighting is a full daily protocol sleep researchers use to keep their body clocks dialed in, and the morning matters more than the evening.
—Allison Palmer, Charlotte Observer, 9 May 2026
Then, sleep strategically to help your body clock reset.
—Alesandra Dubin, Southern Living, 14 Apr. 2026
Getting sunlight in the morning can help your body clock reset faster.
—Julie Scott, Verywell Health, 7 Apr. 2026
See All Example Sentences for body clock
Cite this Entry
“Body clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/body%20clock. Accessed 16 May. 2026.
Copy CitationMedical Definition
body clock
noun
: the internal mechanisms that schedule bodily functions and activities
—not usually used technically
Love words? Need even more definitions?
Merriam-Webster unabridged
