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  2. Sleep deprivation - Wikipedia

    en.wikipedia.org/wiki/Sleep_deprivation

    Cognitive behavioral therapy, caffeine (to induce alertness), sleeping pills. Sleep deprivation, also known as sleep insufficiency[ 2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health. It can be either chronic or acute and may vary widely in severity.

  3. How much sleep do you need? - AOL

    www.aol.com/lifestyle/much-sleep-201727378.html

    Infants ages 0-3 months require about 14-17 hours of sleep daily. Toddlers ages 1-2 years need approximately 11-14 hours of daily sleep. Children ages 3-5 years should aim for 10-13 hours. Older ...

  4. Sleep debt - Wikipedia

    en.wikipedia.org/wiki/Sleep_debt

    Sleep debt or sleep deficit is the cumulative effect of not getting enough sleep. A large sleep debt may lead to mental or physical fatigue, and can adversely affect one's mood, energy, and ability to think clearly. There are two kinds of sleep debt: the result of partial sleep deprivation, and of total sleep deprivation.

  5. Delayed sleep phase disorder - Wikipedia

    en.wikipedia.org/wiki/Delayed_sleep_phase_disorder

    Delayed sleep phase disorder ( DSPD ), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is the delaying of a person's circadian rhythm (biological clock) compared to those of societal norms. The disorder affects the timing of biological rhythms including sleep, peak period of alertness, core body ...

  6. Unhappy or anxious? How you sleep may be the cause - AOL

    www.aol.com/unhappy-anxious-sleep-may-cause...

    Loss of sleep also worsened symptoms of anxiety and depression, according to the study, even in people without known psychiatric or physical health conditions.

  7. Dyssomnia - Wikipedia

    en.wikipedia.org/wiki/Dyssomnia

    Dyssomnia. Dyssomnias are a broad classification of sleeping disorders involving difficulty getting to sleep, remaining asleep, or of excessive sleepiness. Dyssomnias are primary disorders of initiating or maintaining sleep or of excessive sleepiness and are characterized by a disturbance in the amount, quality, or timing of sleep.

  8. Sleep apnea: causes, symptoms, treatments, and how it ... - AOL

    www.aol.com/lifestyle/sleep-apnea-causes...

    Fragmented sleep and restlessness. Dry mouth or sore throat upon waking. Unfortunately, that's not the end of it. The effects of sleep apnea can bleed into your waking life as well. Daytime ...

  9. Shift work sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Shift_work_sleep_disorder

    Shift work sleep disorder ( SWSD) is a circadian rhythm sleep disorder characterized by insomnia, excessive sleepiness, or both affecting people whose work hours overlap with the typical sleep period. Insomnia can be the difficulty to fall asleep or to wake up before the individual has slept enough. [ 1] About 20% of the working population ...