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Do you really need 8 hours of sleep?

TED Business

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Can Blue Light Cause Insomnia?

Sunlight and light from screens are both forms of blue light. By the evening, melatona has been released, and your body knows it's time to sleep. Doctor carney says not to bind to messaging about needing a particular product for a good night's sleep. Go outside every day, have a routine and have a wind down period before bed.

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