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Dictionary » C » Circadian rhythm

Circadian rhythm

A daily cycle of activity observed in many living organisms.


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Human sleep rhythm

I have recently read that the free-running period (FRP) for the 'daily' rhythms is close to 25.5 hours and that it is entrained by a circadian exogenous cue (day/night light/dark). I am curious about the origin of the FRP and what the significance of a periodicity of greater than 24 hours ...

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by drnsmith
Sun Sep 10, 2006 5:06 am
 
Forum: Human Biology
Topic: Human sleep rhythm
Replies: 1
Views: 650


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