Some adults are genetically predisposed to need more hours of continuous sleep than others, reports The Washington Post.
“If you are a regular napper, you can get these two forces [HSP and your circadian rhythm] into a good rhythm so they are nicely balanced,” says Rebecca Spencer, professor of psychological and brain sciences at the University of Massachusetts Amherst. “The problem is few people nap so regularly.”
Get the full story at washingtonpost.com
