Light (Especially Blue Light) Is Messing With Your Sleep
Blue light is the wavelength that is emitted from electronics and some efficient lighting.
Blue Light and Sleep
The problem with blue light is that can suppress melatonin which makes it harder to fall asleep.
While all light can have an impact on your sleep, blue light has twice the negative impact.
Protect Yourself From Blue Light at Night
Try to turn off bright screens two to three hours before bed.
If you need lighting at night, red light has the least impact on circadian rhythm and melatonin suppression.
If you use a lot of electronics at night, consider blue blocker glasses.
Getting a lot of sunshine during the day.