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

    www.aol.com/news/5-hours-sleep-night-enough...

    Sleeping five hours for one night might lead to short-term cognitive changes, but making it a habit can have serious health effects. Sleep is essential for good physical and mental health, but ...

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

    www.aol.com/more-important-another-hour-sleep...

    He suggests pushing through the workout after a night of poor sleep sparingly—perhaps once per week—while prioritizing sleep on other days to allow your body to fully recover.

  4. Randy Gardner sleep deprivation experiment - Wikipedia

    en.wikipedia.org/wiki/Randy_Gardner_sleep...

    Randy Gardner (born c. 1946) is an American man from San Diego, California, who once held the record for the longest amount of time a human has gone without sleep.In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of 260 hours held by Tom Rounds.

  5. Experts Warn Against Viral "Sleepmaxxing" Trend - AOL

    www.aol.com/experts-warn-against-viral-sleepmax...

    In fact, adults need 7 to 8 hours of high-quality sleep every night for our bodies to function at their best. If you don’t get enough sleep one night, the negative effects can linger until you ...

  6. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    The Guinness World Record stands at 449 hours (18 days, 17 hours), held by Maureen Weston of Peterborough, Cambridgeshire, in April 1977, in a rocking-chair marathon. [211] Claims of total sleep deprivation lasting years have been made several times, [213] [214] [215] but none are scientifically verified. [216]

  7. 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 ]

  8. Insomnia - Wikipedia

    en.wikipedia.org/wiki/Insomnia

    Even sleeping only 4.5 hours per night is associated with very little increase in mortality. Thus, mild to moderate insomnia for most people is associated with increased longevity and severe insomnia is associated only with a very small effect on mortality. [206] It is unclear why sleeping longer than 7.5 hours is associated with excess ...

  9. Jay Leno Says He Only Sleeps 4 Hours a Night and Never ... - AOL

    www.aol.com/lifestyle/jay-leno-says-only-sleeps...

    Early bird gets the worm! Jay Leno opened up about his unusual sleeping habits on the Dec. 22 episode of Bill Maher’s Club Random podcast and revealed he only gets four hours of sleep a night ...