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  2. Is 6 hours of sleep at night enough? - AOL

    www.aol.com/news/6-hours-sleep-night-enough...

    Even one night without enough sleep can impact the body and brain the following day. The link between sleep duration and adverse health outcomes has been well-studied, the experts note. Sleep ...

  3. Not Everyone Needs the Same Amount of Sleep. Here's Why - AOL

    www.aol.com/not-everyone-needs-same-amount...

    About one in 10 suffer from the chronic form of the condition. known as insomnia disorder, which is defined as three or more nights of sleep problems per week lasting three or more months ...

  4. How to Know If 6 Hours of Sleep Is Enough - AOL

    www.aol.com/know-6-hours-sleep-enough-235900599.html

    Can you really get by with just 6 hours of sleep a night? Here's what to know and how to get more sleep.

  5. How much sleep is enough? That's among topics surrounding ...

    www.aol.com/much-sleep-enough-thats-among...

    Friday is World Sleep Day, an annual observance focused on the importance of getting a good night's sleep.

  6. How much sleep do you need? - AOL

    www.aol.com/lifestyle/much-sleep-201727378.html

    According to a study that analyzed the data from the hospital records of more than 600,000 people, those diagnosed with insomnia (one of the primary causes of chronic sleep deprivation) were more ...

  7. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    Once one catches up on sleep, one's mood will often return to baseline or normal. Even partial sleep deprivation can have a significant impact on mood. In one study, subjects reported increased sleepiness, fatigue, confusion, tension, and total mood disturbance, which all recovered to their baseline after one to two full nights of sleep. [56] [57]

  8. The Truth About Whether 7 Hours of Sleep Is Enough ... - AOL

    www.aol.com/truth-whether-7-hours-sleep...

    One National Institutes of Health-funded study published in the Journal of Experimental Medicine noted that good sleep can boost immune function. 4. Developing a chronic condition

  9. Effects of sleep deprivation on cognitive performance

    en.wikipedia.org/wiki/Effects_of_sleep...

    In one study, researchers examined the auditory attention of twelve non-sleep-deprived subjects and twelve sleep-deprived subjects at various time intervals. Subjects were involved in an auditory attention task, which required the reproduction of the spatial relationships between four letters, using a graph composed of six squares, immediately ...