Getting enough sleep is one of the most underappreciated elements of extending your lifespan.
You need 8 hours of sleep each night. If you think you’re one of those people who can get away with 5 or 6 hours of sleep, the scientific evidence is not on your side.
Sleep expert Dr. Matt Walker, author of the excellent book Why We Sleep, says that sleep is the single most effective thing we can do to reset our mental and physical health each day.
