Blue-blocking glasses for sleep

Nothing showed up on the wrist trackers of ordinary sleepers, and the benefit landed only in people who already had insomnia.

Also called amber

Who it's forAny man who lies awake most nights and has been sold glasses as the fix.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.