Circadian Meaning in English
word
Definition
Relating to processes or rhythms in living things that happen in a 24-hour cycle, like sleep and waking.
Usage & Nuances
'Circadian' is almost always used in scientific, medical, or health contexts, usually paired with 'rhythm', 'cycle', or 'clock' (for example, 'circadian rhythm'). Not for casual conversation. Often refers to body processes related to time or sleep.
Example Sentences
The human body has a circadian rhythm that affects when we feel sleepy or awake.
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Light and darkness help control our circadian cycle.
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Jet lag happens because your circadian rhythm is disturbed.
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Late-night screen time can mess with your circadian clock.
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Doctors often say a healthy circadian rhythm is key to good sleep.
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If your job requires night shifts, your circadian pattern may get disrupted.
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