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	Podcast:		CogNation
	Episode:		Episode 13: Blue Light and Sleep
	Category:		Science & Medicine
	Duration:		00:49:34
	Publish Date:		2019-05-20 15:15:00
	Description:		We examine a paper that finds sleep disruption from using tablet computers (as compared to reading a book in dim light). How much should we be worried about the effects of screens on a good night's sleep? There's good reason to believe that blue light is the main culprit -- recently discovered receptors in the eye that respond to blue light directly connect to brain areas implicated in sleep regulation. We lay out the case.... Papers: "Evening use of light-emitting eReaders...." "Melanopsin: photoreceptors, physiology and potential"
	Total Play:		0