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  2. Neuroscience of sleep - Wikipedia

    en.wikipedia.org/wiki/Neuroscience_of_sleep

    Therefore, sleep in aging is another equally important area of research. A common observation is that many older adults spend time awake in bed after sleep onset in an inability to fall asleep and experience marked decrease in sleep efficiency. [57] There may also be some changes in circadian rhythms. [58]

  3. Sleep - Wikipedia

    en.wikipedia.org/wiki/Sleep

    Modern humans often find themselves desynchronized from their internal circadian clock, due to the requirements of work (especially night shifts), long-distance travel, and the influence of universal indoor lighting. [31] Even if they have sleep debt, or feel sleepy, people can have difficulty staying asleep at the peak of their circadian cycle.

  4. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    A hypnic jerk, hypnagogic jerk, sleep start, sleep twitch, myoclonic jerk, or night start is a brief and sudden involuntary contraction of the muscles of the body which occurs when a person is beginning to fall asleep, often causing the person to jump and awaken suddenly for a moment.

  5. What Is Deep Sleep? Understanding the 4 Sleep Cycles & Why ...

    www.aol.com/deep-sleep-understanding-4-sleep...

    It happens as you fall asleep and drift away from wakefulness. In this stage, your breathing patterns are about the same as when you’re awake. NREM, stage 2: deep sleep. This deep sleep stage ...

  6. Cognitive shuffle - Wikipedia

    en.wikipedia.org/wiki/Cognitive_shuffle

    The cognitive shuffle is based on Beaudoin’s somnolent information processing theory. [5] [13] The somnolent information processing theory postulates the existence of a sleep onset control system that evolved to ensure that falling asleep tends to happen when it is evolutionarily opportune (safe, timely) to fall asleep. [14]

  7. Got Holiday Stress? Here Are 10 Nighttime Activities to Help ...

    www.aol.com/lifestyle/got-holiday-stress-10...

    A 2011 study with over 400 adults participating backs this up by revealing that gratitude was associated with falling asleep faster and sleeping longer and better. Some tactics you help you ...

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