Can you train yourself to function on less sleep?
But while it might not be possible to train yourself to sleep less, researchers working with the military have found that you can bank sleep beforehand if you plan well in advance. At the Walter Reed Army Institute of Research they had people go to bed a couple of hours earlier than usual every night for a week.
Is 5.5 hours of sleep enough?
Sometimes life calls and we don’t get enough sleep. But five hours of sleep out of a 24-hour day isn’t enough, especially in the long term. According to a 2018 study of more than 10,000 people, the body’s ability to function declines if sleep isn’t in the seven- to eight-hour range.
Why do some people naturally sleep less than 6 hours a night?
Scientists identified a gene that causes people to naturally sleep less than six and a half hours each night without any apparent ill effects. The findings reveal a mechanism affecting quality sleep and suggest an avenue to investigate for new sleep treatments.
How much sleep do you need to feel well rested?
Previous studies have led to the identification of over 50 families with people who need less than six and a half hours of sleep a night to feel well rested.
Is 4 hours of sleep enough for You?
For most people, 4 hours of sleep per night isn’t enough to wake up feeling rested and mentally alert, no matter how well they sleep. There’s a common myth that you can adapt to chronically restricted sleep, but there’s no evidence that the body functionally adapts to sleep deprivation.
How much sleep do you need to shorten your sleep?
In one study, he asked people who regularly slept seven to 8.5 hours a night to shorten their sleep by going to bed a certain amount of time later each night. Volunteers started by pushing back their bedtime one hour during the first week, and then pushed it back by 1.5 hours for the next three weeks.