Some people thrive on just 4 hours of sleep — not by choice, but thanks to a rare gene mutation called ADRB1. They stay sharp, focused, and healthy with less rest.
Not everyone can do it — so don’t skip sleep unless your DNA says so.
#sleepscience #adrb1 #healthfacts
https://takfe.com/story/332-so....me-people-only-need-