Word: circadian
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Harvard Medical School researchers have discovered a cluster of nerve cells behind the eyes that are believed to control the body’s circadian rhythms. Down the road, the discovery could result in new therapies for circadian disturbances, such as certain sleep disorders...
...circadian rhythm is the cycle of daily activity observed in most organisms. The circadian clock itself is an internal mechanism that controls these 24-hour programs, such as the sleep-wake cycle...
...terrorist - or terrorists - who attacked with envelopes full of anthrax powder turned out to be as savvy and sophisticated as the ones who hijacked four U.S. airliners full of jet fuel. In a world whose circadian rhythm is now set by the 24-hour news cycle, the anthrax attacker(s) knew - or maybe they've now discovered - that the best way to create an instant media frenzy over terror was to send the deadly letters to the media...
...after-school activities. But that means he often stays up later than his sisters, which puts his parents at risk of a breakdown. Owens suggested we end the late-afternoon car naps and instead take our son to his room well before then and help him find his midday circadian trough, one of two low points humans experience in energy level each day. (The other one is in the middle of the night...
...Coburn, publisher of the newsletter ShiftWork Alert, says American companies have gradually become more aware of the problems inherent in altering human circadian rhythms. Yet he observes that U.S. job culture still has not woken up, so to speak, to the need for more adaptation. Doctors, he notes, enter residency programs expected to work 36 hours in two days, having been taught almost nothing about how to sleep during the day or how to use naps to offset the effects of exhaustion. "The macho thing is very significant," he says. "Those who have been living with this for so long...