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  2. Is 5 hours of sleep at night enough? - AOL

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    Is five hours of sleep enough? Doctors explain how much sleep you need, quality sleep basics, health effects of sleeping 5 hours and tips for better sleep.

  3. Is 4 hours of sleep enough? What sleeping too little does to ...

    www.aol.com/news/4-hours-sleep-enough-sleeping...

    Related: Is 5 hours of sleep enough at night? ... "Waking up at the same time every day is also super important so you can start building up that pressure for the next night of sleep," says Atwood.

  4. Sleep - Wikipedia

    en.wikipedia.org/wiki/Sleep

    Hours of sleep recommended for each age group [93] Age and condition Sleep needs Newborns (0–3 months) 14 to 17 hours Infants (4–11 months) 12 to 15 hours Toddlers (1–2 years) 11 to 14 hours Preschoolers (3–4 years) 10 to 13 hours School-age children (5–12 years) 9 to 11 hours Teenagers (13–17 years) 8 to 10 hours

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

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

    Doctors explain how much sleep you need, quality sleep basics, health effects of sleeping 6 hours and tips for better sleep. ... bed at the same time and wake up at the same time every day, says ...

  6. 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 ]

  7. Sleep and metabolism - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_Metabolism

    As sleep time decreased over time from the 1950s to 2000s from about 8.5 hours to 6.5 hours, there has been an increase in the prevalence of obesity from about 10% to about 23%. [2] Weight gain itself may also lead to a lack of sleep as obesity can negatively affect quality of sleep, as well as increase risk of sleeping disorders such as sleep ...

  8. Which Is More Important: Another Hour Of Sleep Or A ... - AOL

    www.aol.com/lifestyle/more-important-another...

    It’s January, and toward the top of your list of resolutions might be something along the lines of: Sleep more and workout more. Hey, both are pretty dang important. But let’s say you got a ...

  9. Power nap - Wikipedia

    en.wikipedia.org/wiki/Power_nap

    A Flinders University study of individuals restricted to only five hours of sleep per night found a 10-minute nap was overall the most recuperative nap duration of various nap lengths they examined (lengths of 0 min, 5 min, 10 min, 20 min, and 30 minutes): the 5-minute nap produced few benefits in comparison with the no-nap control; the 10 ...