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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.

  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. Polyphasic sleep - Wikipedia

    en.wikipedia.org/wiki/Polyphasic_sleep

    Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]

  6. 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

  7. Excessive daytime sleepiness - Wikipedia

    en.wikipedia.org/wiki/Excessive_daytime_sleepiness

    EDS can be a symptom of a number of factors and disorders. Specialists in sleep medicine are trained to diagnose them. Some are: Insufficient quality or quantity of night time sleep [5] Obstructive sleep apnea [6] Misalignments of the body's circadian pacemaker with the environment (e.g., jet lag, shift work, or other circadian rhythm sleep ...

  8. Sleep hygiene - Wikipedia

    en.wikipedia.org/wiki/Sleep_hygiene

    Assessing sleep hygiene is important to determine whether an individual has inadequate sleep hygiene disorder. [4] The diagnostic assessment is usually conducted using clinical interview and supplemented by self-report questionnaires [4] and sleep diaries, which are typically kept from one to two weeks, to record a representative sample data. [5]

  9. 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 ...