4 things a sleep expert says you should never do before bed

Avoiding coffee before bed may seem like a no-brainer, but remember that it’s not the only thing with caffeine! Chocolate, certain teas, and even kombucha contain high levels of caffeine, and caffeine has an amazingly long half-life (meaning it takes a while to leave your system completely), so ditch it early in the afternoon.

In the case of alcohol, research shows that it can Prevent good sleepThat’s why Harris recommends avoiding taking it “ideally within two to three hours, but certainly not within an hour.”