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Is 6 hours of sleep enough? No, six hours of sleep is not enough for the average adult. Even if some people feel like they can function on six hours of sleep a night, the sleep debt can add up ...
Within a few months of postnatal development, there is a marked reduction in percentage of hours spent in REM sleep. By the time the child becomes an adult, he spends about 6–7 hours in NREM sleep and only about an hour in REM sleep. [46] [47] This is true not only of humans, but of many animals dependent on their parents for food. [48]
Chronic sleep deprivation (less than 8 hours of sleep) is associated with an increase in body mass index (BMI) and obesity. In a study with 3000 patients, it was found that men and women who sleep less than 5 hours have elevated body mass index (BMI). In another study that followed about 70.000 women for 16 years, there was a significant ...
Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there is a marked decrease in muscle activity and interactions with the surrounding environment.
The American Academy of Sleep Education says most healthy adults only need seven hours of sleep per night, debunking the idea that the magic number for everyone is eight hours. However, the ...
Can you really get by with just 6 hours of sleep a night? Here's what to know and how to get more sleep.
Our sleep needs change over the course of our lifetimes—from 17 hours a day as a newborn, to up to 12 hours as a schoolkid, to the seven- to nine-hour benchmark for adults. But those figures are ...
Reduction of sleep from eight hours to four hours produces changes in glucose tolerance and endocrine function. [33] Researchers from the University of Chicago Medical Center followed 11 healthy young men for 16 consecutive nights. The first 3 nights, the young men slept for the normal 8 hours. The next 6 nights, they slept for 4 hours.