Abhinav Singh. 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?
How Much Sleep Do I Need?
How much sleep do we really need? - Harvard Health
The quality of your sleep at night directly affects your mental and physical health and how well you feel during the day. Sleep impacts your productivity, emotional balance, brain and heart health, immune function, creativity, vitality, and even your weight. No other activity delivers so many benefits with so little effort! But even minimal sleep loss can take a substantial toll on your mood, energy, mental sharpness, and ability to handle stress.
How much sleep do we really need?
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.
Those figures are largely unchanged from Gallup polls in the s and s, but Americans, on average, slept much more in the s. Americans currently average 6. Medical studies have related a lack of sleep to health problems and cognitive impairment. Therefore, experts typically recommend seven to nine hours sleep for adults.