Surprising Health Benefits of Sleep sleep is very important to our health, please let not take it for granted. Sleep makes you feel better, but its importance goes way beyond just boosting your mood or banishing under-eye circles. Adequate sleep is a key part of a healthy lifestyle, and can benefit your heart, weight, mind, and more. Go ahead, snooze! Sleep makes you feel better, but its importance goes way beyond just boosting your mood or banishing under-eye circles. Adequate sleep is a key part of a healthy lifestyle, and can benefit your heart, weight, mind, and more. "Sleep used to be kind of ignored, like parking our car in a garage and picking it up in the morning," says David Rapoport, MD, director of the NYU Sleep Disorders Program. Not anymore. Here are some health benefits researchers have discovered about a good night’s sleep. Improve memory Your mind is surprisingly busy while you snooze. During sleep you can strengthen memories or "p