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

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

    Routinely sleeping less than you need can lead to sleep deprivation, which has many health effects. But even one night of too little sleep can impact you the following day. Short-term health ...

  3. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    Few studies have compared the effects of acute total sleep deprivation and chronic partial sleep restriction. [8] A complete absence of sleep over a long period is not frequent in humans (unless they have fatal insomnia or specific issues caused by surgery); it appears that brief microsleeps cannot be avoided. [12]

  4. Do You Really Need 8 Hours Of Sleep? Why Experts Are ... - AOL

    www.aol.com/lifestyle/really-8-hours-sleep-why...

    Sleep Advice That Stands The Test Of Time 1/ Think Twice About Booze . If you want better sleep, take stock of your alcohol habits. Before bed, alcohol helps you fall asleep, but too much severely ...

  5. Effects of sleep deprivation on cognitive performance

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

    Lack of sleep appears to negatively affect one's ability to appreciate and respond to increasing complexity, as was found in performance deficits after 1 night of sleep deprivation on a simulated marketing game. [27] The game involved subjects promoting a fictional product while getting feedback on the financial effects of their decisions.

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

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

    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.

  7. Sleep and emotions - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_emotions

    Long-term chronic exposure to insufficient sleep is associated with a decline in optimism and sociability, and an increase in subjective experiences of sleepiness and fatigue. [16] Furthermore, sleep restricted to five hours a night over the course of a week causes significant increases in self-reports of subjective mood disturbance and sleepiness.