REM sleep boosts immunity, regulates emotions and develops the brain — but are you getting enough?
"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...
Doctor explains difference between REM sleep and deep sleep — plus how to get more of each this World Sleep Day
However, some research shows that major stressors may increase REM sleep but reduce deep sleep. REM rebound, which is when we ...