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  2. Sleep tracking - Wikipedia

    en.wikipedia.org/wiki/Sleep_tracking

    Actigraphy devices then uses the collected data to determine if the patient is asleep or awake and can also track the individual's other sleep behaviors such as wake time. [8] [9] Sleep tracking is now possible through consumer wearable devices such as smartwatches and fitness trackers and applications on smartphones. The features that these ...

  3. How Long Does It Take to Fall Asleep? What’s Normal ... - AOL

    www.aol.com/entertainment/long-does-fall-asleep...

    Don’t look at my phone, don’t look at my phone… OK, I’ll just take a little peak. Oh my God, it’s been 40 minutes and I’m still not asleep!Sound familiar? Whether you’re dealing with...

  4. Polyphasic sleep - Wikipedia

    en.wikipedia.org/wiki/Polyphasic_sleep

    It does not imply any particular sleep schedule. The circadian rhythm disorder known as irregular sleep-wake syndrome is an example of polyphasic sleep in humans. Polyphasic sleep is common in many animals, and is believed to be the ancestral sleep state for mammals, although simians are monophasic. [3]

  5. Military Sleep Method Helps You Fall Asleep In 2 Minutes: “It ...

    www.aol.com/lifestyle/military-sleep-method...

    1. Relax Your Body. The technique starts with releasing tension, one muscle group at a time. Begin with the top of your head and then your way down to your toes, relaxing each body part along the way.

  6. Rapid eye movement sleep - Wikipedia

    en.wikipedia.org/wiki/Rapid_eye_movement_sleep

    The first REM episode occurs about 70 minutes after falling asleep. Cycles of about 90 minutes each follow, with each cycle including a larger proportion of REM sleep. [ 27 ] ( The increased REM sleep later in the night is connected with the circadian rhythm and occurs even in people who did not sleep in the first part of the night.) [ 55 ] [ 56 ]

  7. Do you fall asleep with the TV on every night? Here's what ...

    www.aol.com/lifestyle/fall-asleep-tv-every-night...

    Whether it's the nightly news or an old Friends episode they've seen 40 times, many people say they are lulled to sleep by the television. In fact, some can’t imagine falling asleep without it ...

  8. Sleep and memory - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_memory

    Young woman asleep over study materials. The relationship between sleep and memory has been studied since at least the early 19th century.Memory, the cognitive process of storing and retrieving past experiences, learning and recognition, [1] is a product of brain plasticity, the structural changes within synapses that create associations between stimuli.

  9. How I learned to fall asleep in under a minute - AOL

    www.aol.com/2016-03-31-how-i-learned-to-fall...

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