STDs Ulcers Yeast Infection Sleep Requirements Sleep requirements vary from person to person. Some people feel rested after just six hours of sleep while others need nine hours. Generally, the amount of sleep a person needs depends on his or her age. People normally get less sleep as they get older, but that does not mean they need less sleep. The sleep people really need has less to do with the amount of sleep and more to do with the pattern or quality of their sleep.
Studies show that adults today are getting less sleep than their parents.
According to several surveys, American teenagers are getting fewer than seven hours of sleep a night when most may need about nine hours of sleep. Losing one or two hours of sleep a night has immediate effects. People feel drowsy after missing sleep, and they are usually not as productive the next day. Missing an hour of sleep a night for an extended period can lead to a chronic sleeping problem. Many people think that they can make up the sleep they lose, but that's not the case.