Expose yourself to bright sunlight in the morning and/or around solar noon to “set” your master clock, and to avoid blue light exposure after sunset for the same reason.1Sleep — Why You Need It and 50 Ways to Improve It

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Expose yourself to bright sunlight in the morning and/or around solar noon to “set” your master clock, and to avoid blue light exposure after sunset for the same reason.1Sleep — Why You Need It and 50 Ways to Improve It