Scientific research makes clear that sleep is essential at any age. Sleep powers the mind, restores the body, and fortifies virtually every system in the body. But how much sleep do we really need in order to get these benefits? National Sleep Foundation guidelines advise that healthy adults need between 7 and 9 hours of sleep per night. Babies, young children, and teens need even more sleep to enable their growth and development. People over 65 should also get 7 to 8 hours per night.
How Much Sleep Do We Really Need? | Sleep Foundation
This is unfortunate because getting enough sleep is as vital to good health as eating healthy foods or getting enough exercise. This article will help you understand the benefits of getting good quality sleep and how many hours per night are optimal. Sleep is more than just a time for your body and mind to rest. Sleep is likewise vital in helping you regulate your emotions. Your inner biological clock runs on an approximately hour schedule controlling the sleep-wake cycle. It may also influence your metabolism , inflammation, and how you respond to stress 5 , 6.
In this Special Feature, we hack into some of the myths that surround sleep duration. Among other questions, we ask whether anyone can truly get by on 5 hours of sleep each night. We also uncover whether sleep deprivation can be fatal. Although we all know sleep is vital to maintain good health, there are still many unanswered questions. And, over the millennia, a variety of myths and half-truths have developed and stuck.