: Blue light from screens tricks your brain into thinking it's still daytime. Put devices away at least 45–60 minutes before bed.
: Get 10–15 minutes of morning sunlight as soon as possible after waking. This suppresses melatonin and triggers a cortisol release to help you stay alert. How to Sleep Well
Here is a comprehensive guide to mastering your sleep, from morning rituals to evening wind-downs. 1. Mastering Your Circadian Rhythm : Blue light from screens tricks your brain