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  2. Paid Sleep Studies: How Much Can You Make? - AOL

    www.aol.com/finance/paid-sleep-studies-much...

    Many sleep studies focus on potential treatments for specific conditions. ... you may be eligible for studies like one at Harvard Medical School that pays up to $900 for a single one-hour ...

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

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

    "Optimal sleep is important because getting the right number of hours of sleep ensures good sleep architecture and healthy patterns for staying and falling asleep," says Dr. Alex Dimitriu, MD, a ...

  4. Is 7 hours of sleep a night enough? Sleep doctors weigh in - AOL

    www.aol.com/7-hours-sleep-night-enough-224251397...

    In a joint consensus published by the American Academy of Sleep Medicine and the Sleep Research Society, experts recommend seven hours — not eight — as the "magic number" for most healthy adults.

  5. Sleep efficiency - Wikipedia

    en.wikipedia.org/wiki/Sleep_efficiency

    Sleep efficiency (SE) is the ratio between the time a person spends asleep, and the total time dedicated to sleep (i.e. both sleeping and attempting to fall asleep or fall back asleep). It is given as a percentage. [1] SE of 80% or more is considered normal/healthy with most young healthy adults displaying SE above 90%.

  6. National Sleep Foundation - Wikipedia

    en.wikipedia.org/wiki/National_Sleep_Foundation

    NSF Sleep Duration Recommendations Chart developed based on NSF's research paper [3] In 2015 NSF released the results of a research study on sleep duration recommendations. [4] The paper titled "National Sleep Foundation's sleep time duration recommendations: methodology and results summary" was published in the peer-reviewed Sleep Health ...

  7. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    The table shown on the right can be used in a two-sample t-test to estimate the sample sizes of an experimental group and a control group that are of equal size, that is, the total number of individuals in the trial is twice that of the number given, and the desired significance level is 0.05. [4] The parameters used are:

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

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

    According to Peter Polos, M.D., an associate professor of sleep medicine at Hackensack JFK Medical Center in New Jersey and a sleep expert for Sleep Number, it's not great. For most people, less ...

  9. Sleep study - Wikipedia

    en.wikipedia.org/wiki/Sleep_study

    A sleep study is a test that records the activity of the body during sleep. There are five main types of sleep studies that use different methods to test for different sleep characteristics and disorders. These include simple sleep studies, polysomnography, multiple sleep latency tests (MSLTs), maintenance of wakefulness tests (MWTs), and home ...

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