A week's worth of camping synchs internal clock to sunrise and sunset

[unable to retrieve full-text content]Spending just one week exposed only to natural light while camping in the Rocky Mountains was enough to synch the circadian clocks of eight people participating in a University of Colorado Boulder study with the timing of sunrise and sunset.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_health/~3/-HumL_JuewQ/130801125601.htm

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