Why does light keep us awake and darkness make us sleepy?

Lorlornyofm
By Lorlornyofm June 26, 2017 19:45

Why does light keep us awake and darkness make us sleepy?

Those of us who want to sleep during the summer will need a good pair of blinds after 6 a.m.

Many of us have heard that going to sleep when it is dark outside is healthy, as light and darkness influence our circadian rhythm. But how exactly does light affect our sleep-wakefulness cycle? New research may have found part of the answer.

Now that summer is here, those of us who want to sleep in after 6 a.m. will need a good pair of blinds; light tends to wake us up. But why does this happen?

The majority of us know that light plays a role in regulating our circadian rhythm, but how light directly affects sleep is poorly understood. Researchers from the California Institute of Technology (Caltech) in Pasadena set out to examine the effect of light on sleep.

Lorlornyofm
By Lorlornyofm June 26, 2017 19:45
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