Not only do different age groups need different amounts of sleep, but sleep needs are also individual. Though scientists are still learning about the concept of basal sleep need, one thing sleep research certainly has shown is that sleeping too little can not only inhibit your productivity and ability to remember and consolidate information, but lack of sleep can also lead to serious health consequences and jeopardize your safety and the safety of individuals around you. A healthful diet gives you the nutrients you need to keep your body in top-flight condition. Pregnant women need some more hours of sleep per day in the first three months of pregnancy. Since we all have unique needs when it comes to sleep, a better barometer of whether or not you are getting enough sleep is how you feel. Russell Foster is a circadian neuroscientist who studies sleep and its role in our lives, examining how our perception of light influences our sleep-wake rhythms.
In the TED talk above, Foster shares three popular theories about why we sleep, busts some myths about how much sleep we need at different ages -- and hints at some bold new uses of sleep as a predictor of mental health.

If you want to feel good in the mornings, ready to conquer the day and able to think clearly so that you can make good, healthy life choices, get enough sleep!
Two studies suggest that healthy adults have a basal sleep need of seven to eight hours every night, but where things get complicated is the interaction between the basal need and sleep debt.
Some people operate at their best after 9 hours while others seem to need just 5 hours each night. Your emotions are out of whack - Many people find themselves to ha mood swings and be extra sensitive, when they don’t sleep well. For instance, you might meet your basal sleep need on any single night or a few nights in a row, but still have an unresolved sleep debt that may make you feel more sleepy and less alert at times, particularly in conjunction with circadian dips , those times in the 24-hour cycle when we are biologically programmed to be more sleepy and less alert, such as overnight hours and mid-afternoon. Arand, "There is strong evidence that sufficient shortening or disturbance of the sleep process compromises mood, performance and alertness and can result in injury or death. However, people who sleep the same amount of time each night, live longer on average than people who adjust their schedules, to either add or subtract hours from their nightly slumber (2007, British study).

While you may be at your absolute best sleeping seven hours a night, someone else may clearly need nine hours to have a happy, productive life. You may feel overwhelmingly sleepy quite suddenly at these times, shortly before bedtime or feel sleepy upon awakening.
Additionally, be wary of sleeping pills, as they have been linked to an increased risk of cancer and premature death.

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Comments How much sleep do we need nhs

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