News tagged with circadian

Circadian clocks in a blind fish

Do animals that have evolved for millions of years underground, completely isolated from the day-night cycle, still "know" what time it is? Does a normal circadian clock persist during evolution under constant darkness? A ...

Sep 06, 2011
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Repairing our inner clock with a two-inch fish

Circadian rhythms — the natural cycle that dictates our biological processes over a 24-hour day — does more than tell us when to sleep or wake. Disruptions in the cycle are also associated with depression, problems ...

Jul 21, 2011
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Video gaming teens sleep less: study

Teens who play a lot of video games are likely to sleep less than the eight to nine hours a night recommended for the age group, researchers said Monday.

May 16, 2011
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