How Much Sleep Do We Really Need?
http://sleepfoundation.org/how-sleep-works/how-much-sleep-do-we-really-need Sleep needs vary across ages and are especially impacted by lifestyle and health. Thus, to determine how much sleep you need, it's important to assess not only where you fall on the "sleep needs spectrum," but also to examine what lifestyle factors are affecting the quality and quantity of your sleep such as work schedules and stress. To get the sleep you need, you must look at the big picture. Though research cannot pinpoint an exact amount of sleep need by people at different ages, the preceding table identifies the "rule-of-thumb" amounts most experts have agreed upon. Nevertheless, it's important to pay attention to your own individual needs by assessing how you feel on different amounts of sleep. Are you productive, healthy and happy on seven hours of sleep? Or does it take you nine hours of quality ZZZs to get you into high gear? Do you have health issues such as being o...