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  2. Fetal position - Wikipedia

    en.wikipedia.org/wiki/Fetal_position

    Sometimes, when a person has suffered extreme physical or psychological trauma (including massive stress), they will assume a similar compact position in which the back is curved forward, the legs are brought up as tightly against the abdomen as possible, the head is bowed as close to the abdomen as possible, and the arms are wrapped around the ...

  3. Neuroscience of sleep - Wikipedia

    en.wikipedia.org/wiki/Neuroscience_of_sleep

    As humans fall asleep, body activity slows down. Body temperature, heart rate, breathing rate, and energy use all decrease. Brain waves slow down. The excitatory neurotransmitter acetylcholine becomes less available in the brain. [9] Humans often maneuver to create a thermally friendly environment—for example, by curling up into a ball if cold.

  4. List of human positions - Wikipedia

    en.wikipedia.org/wiki/List_of_human_positions

    The sleeping position is the body configuration assumed by a person during or prior to sleeping. Six basic sleeping positions have been identified: [dubious – discuss] Fetus (41%) – curling up in a fetal position. This was the most common position, and is especially popular with women. Log (15%) – lying on one's side with the arms down ...

  5. The Morning Stretch Routine Physical Therapists Wish ... - AOL

    www.aol.com/morning-stretch-routine-physical...

    “Most people tend to curl up in a ball when they sleep, so a morning stretch routine can help loosen the muscles and joints and prep the body for the day.” ... “A lot of people overlook the ...

  6. Why Do Cats Sleep With Us? Every night, around midnight, my cat meows until I join her in bed (though she also sleeps all day). Then, she will dutifully crawl on top of me and happily curl up on ...

  7. Although they don’t communicate like we do, our pets often seem to understand us better than most people. Whether they’re curled up in our laps or gazing quietly into our eyes, they have an ...

  8. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    A higher occurrence is reported in people with irregular sleep schedules. [4] When they are particularly frequent and severe, hypnic jerks have been reported as a cause of sleep-onset insomnia. [3] Hypnic jerks are common physiological phenomena. [5] Around 70% of people experience them at least once in their lives with 10% experiencing them daily.

  9. Sleeping positions - Wikipedia

    en.wikipedia.org/wiki/Sleeping_positions

    A Canadian survey found that 39% of respondents preferring the "log" position (lying on one's side with the arms down the side) and 28% preferring to sleep on their side with their legs bent. [1] A Travelodge survey found that 50% of heterosexual British couples prefer sleeping back-to-back, either not touching (27%) or touching (23%).