Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.
You can start some habits to aid a calmer bedtime earlier in the afternoon or evening. For example, you can start prep for the next day by writing a quick to-do list to reduce stress. Wind down with ...
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