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Deep Sleep - Dr. Dan Pardi - Neuroscience

Collective Insights

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The Circadian Cycle of Older People

One flash of light can have a very powerful effect on your circadian timing. We're just beginning to really appreciate the effects of lighting on our physiology from birth to its development. The Syrian hamster is a seasonal animal, but when it becomes fall and the tone of light changes and becomes more red and dim, that will initiate this process. And so what happens to the circadian cycle of older people? It shifts backwards.

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