Who said we need 8 hours of sleep?
Bezos is very calculative about why he believes eight hours of sleep is the key to boosting productivity and making high-quality decisions. He offered a very convincing example: “So let’s go crazy and say I slept four hours a day.
What are 5 benefits of getting 8 hours of sleep?
Why is getting enough sleep important?
- Get sick less often.
- Stay at a healthy weight.
- Lower your risk for serious health problems, like diabetes and heart disease.
- Reduce stress and improve your mood.
- Think more clearly and do better in school and at work.
- Get along better with people.
Is it bad to sleep past 8 hours?
Sleep needs can vary from person to person, but in general, experts recommend that healthy adults get an average of 7 to 9 hours per night of shuteye. If you regularly need more than 8 or 9 hours of sleep per night to feel rested, it might be a sign of an underlying problem, Polotsky says.
Are humans actually supposed to sleep 8 hours?
We often hear eight hours as being the magical number to strive for, but in fact, sleep need varies greatly between individuals. Most adults need seven to nine hours of sleep, but as little as six hours may be enough for some people (although this is rare), and up to ten hours may be appropriate for other people.
Is 8 hours of sleep important?
A review of 15 studies found that people who don’t get enough sleep are at far greater risk of heart disease or stroke than those who sleep 7–8 hours per night ( 15 ). Sleeping less than 7–8 hours per night is linked to an increased risk of heart disease and stroke.
Why do you need 8 hours of sleep?
Healthy sleep also helps the body remain healthy and stave off diseases. Without enough sleep, the brain cannot function properly. This can impair your abilities2 to concentrate, think clearly, and process memories. Most adults require between seven and nine hours3 of nightly sleep.
Is 7 or 8 hours of sleep better?
These groups currently recommend seven to nine hours of nightly sleep for healthy adults. The National Heart, Lung and Blood Institute recommends seven to eight hours, including the elderly. Most current guidelines say school-age children should get at least 10 hours of sleep a night, and teenagers, nine to 10.
What happens when you sleep over 8 hours?
Getting six to eight hours of sleep each night is ideal for your health, but sleeping more than that could put you at a higher risk for cardiovascular disease or death, according to a study published Wednesday in the European Heart Journal.
Is it better to sleep 8 hours straight?
Healthy sleep is different for every individual, but Connolly says that most adults need about 8 hours of sleep a night. “Studies show adults who consistently sleep 7 to 8 hours every night live longest,” he says.
Does it matter what time I sleep as long as I get 8 hours?
Myth: It Doesn’t Matter When You Sleep as Long as You Sleep Enough Hours. Studies have demonstrated that the timing of sleep matters, and it’s best to sleep as much as possible during hours of darkness. Sleeping at night helps align the body’s circadian rhythm, or internal clock, with its environment.