Sleeping with even a little bit of light isn't good for your

Just a night or two of exposure to faint light is enough to raise your pulse and increase insulin resistance — factors that increase the risk of heart disease and diabetes, researchers find.

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Hot weather could be getting in the way of good sleep, a new study finds

Dave's Picks, Sleeping with even a little bit of light? Psst, it's not good for your health. — Speak To Dave

Study Shows That Sleeping With Even a Little Bit of Light Isn't

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Sleep KUT Radio, Austin's NPR Station

Light at Night Spoils Sleep and Health

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Does sleeping with the lights on cause you to get sick, or it won't affect your immune system/cause you to get sick? - Quora

5 strange sleep behaviors

Study: Sleeping with even a small amount of light could harm heart

circadian rhythms

Does sleeping with the lights on cause you to get sick, or it won't affect your immune system/cause you to get sick? - Quora