Popular myths about sleep, debunked : Life Kit
NPRPopular myths about sleep, debunked Enlarge this image toggle caption Photo Illustration by Becky Harlan/NPR Photo Illustration by Becky Harlan/NPR Sleep has a huge impact on our health. Sponsor Message MYTH 2: One night of sleep deprivation will have lasting effects Enlarge this image toggle caption Photo Illustration by Becky Harlan/NPR Photo Illustration by Becky Harlan/NPR Your sleep isn't going to be perfect every night, says Robbins. MYTH 3: Being able to fall asleep anytime, anywhere is a good thing Enlarge this image toggle caption Photo Illustration by Becky Harlan/NPR Photo Illustration by Becky Harlan/NPR "It's a myth that a good sleeper would be able to hit the pillow and fall asleep right away," says Robbins. MYTH 6: Exercising within 4 hours of bedtime will disturb your sleep Enlarge this image toggle caption Photo Illustration by Becky Harlan/NPR Photo Illustration by Becky Harlan/NPR For many years, sleep experts told people to "avoid exercise close to bedtime," says Robbins, because it can raise body temperature, heart rate and adrenaline levels, leading to poor sleep.