Matthew Walker > Quotes > Quote > Yaroslav liked it

“More specifically, the coolheaded ability to regulate our emotions each day—a key to what we call emotional IQ—depends on getting sufficient REM sleep night after night. (If your mind immediately jumped to particular colleagues, friends, and public figures who lack these traits, you may well wonder about how much sleep, especially late-morning REM-rich sleep, they are getting.)”
― Matthew Walker, Why We Sleep: Unlocking the Power of Sleep and Dreams