nostr:nprofile1qqswhhhf99z77pfg80s2c00z27rusxn2tzss7450n34krkwa2yadhtgprpmhxue69uhkummnw3ezuendwsh8w6t69e3xj730tp0rzw might know

Replace your light bulbs with red 👁️👁️

I don't know any but I know some that will make you unable to sleep once you hear the message.

Why We Sleep, by Matthew Walker.

Bluelightdiet.com

The good books about circadian rhythm are the ones you could read in sleep :-) .. rest all keep you awake !