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Ideally, you should be sleeping 7 to 9 hours a night, but getting more than that (i.e. too much) is really common. Oversleeping affects 4 to 6 percent of the population, one article points out ...
A solid night's sleep can feel elusive, and the commonly-held idea that you "should" be getting eight hours of sleep might actually keep you up. While challenging, the advice to ensure you get ...
Improvement to cognitive performance caused by exercise could last for 24 hours, a new study shows. Scientists also linked getting 6 or more hours of sleep to better memory test scores the next day.
Hypersomnia can be primary (of central/brain origin), or it can be secondary to any of numerous medical conditions. More than one type of hypersomnia can coexist in a single patient. Even in the presence of a known cause of hypersomnia, the contribution of this cause to the complaint of excessive daytime sleepiness needs to be assessed.
The incidence of relapse can be decreased by combining sleep deprivation with medication or a combination of light therapy and phase advance (going to bed substantially earlier than one's normal time). [182] [183] Many tricyclic antidepressants suppress REM sleep, providing additional evidence for a link between mood and sleep. [184]
A large sleep debt may lead to mental or physical fatigue, and can adversely affect one's mood, energy, and ability to think clearly. There are two kinds of sleep debt: the result of partial sleep deprivation, and of total sleep deprivation. Partial sleep deprivation occurs when a person or a lab animal sleeps too little for several days or ...
1. Fatigue. Research indicates that daytime sleepiness is the most obvious and common sign of sleep debt.If you feel groggy even after you’ve been awake for a while or if you find yourself ...
After a supreme achievement on the sports field/court/diamond, the achiever will, for no apparent reason, extend his arm and use his forefinger to point, for an extended period of time, to a team-mate, coach or even someone in the crowd. In many cases, the person being pointed to will, inexplicably, return the gesture.