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  2. List of human positions - Wikipedia

    en.wikipedia.org/wiki/List_of_human_positions

    When in lying position, the body may assume a great variety of shapes and positions. The following are the basic recognized positions: Supine position: lying on the back with the face up; Prone position: lying on the chest with the face down ("lying down" or "going prone") Lying on either side, with the body straight or bent/curled forward or ...

  3. Sense of balance - Wikipedia

    en.wikipedia.org/wiki/Sense_of_balance

    The trochlear solely innervates the superior oblique muscle of the eye. Together, trochlear and abducens contract and relax to simultaneously direct the pupil towards an angle and depress the globe on the opposite side of the eye (e.g. looking down directs the pupil down and depresses (towards the brain) the top of the globe).

  4. Falling (sensation) - Wikipedia

    en.wikipedia.org/wiki/Falling_(sensation)

    A sensation of falling occurs when the labyrinth or vestibular apparatus, a system of fluid-filled passages in the inner ear, detects changes in acceleration. This sensation can occur when a person begins to fall, which in terms of mechanics amounts to a sudden acceleration increase from zero to roughly 9.81 m/s 2 .

  5. 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%).

  6. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    According to a study on sleep disturbances in the Journal of Neural Transmission, a hypnic jerk occurs during the non-rapid eye movement sleep cycle and is an "abrupt muscle action flexing movement, generalized or partial and asymmetric, which may cause arousal, with an illusion of falling". [13]

  7. Doctors Say This Nighttime Behavior Can Be A Sign Of Dementia

    www.aol.com/doctors-nighttime-behavior-sign...

    Here's how to distinguish "sundowning"—agitation or confusion later in the day in dementia patients—from typical aging, from doctors who treat older adults.

  8. A Sleep Expert Warns Against "Unhealthy" Sleep Trend - AOL

    www.aol.com/sleep-expert-warns-against-unhealthy...

    More and more people are talking about polyphasic sleep patterns. But a sleep doctor explains why polyphasic sleep is so unhealthy for humans.

  9. Spins - Wikipedia

    en.wikipedia.org/wiki/Spins

    The spins (as in having "the spins") [1] is an adverse reaction of intoxication that causes a state of vertigo and nausea, [2] causing one to feel as if "spinning out of control", [3] especially when lying down. It is most commonly associated with drunkenness [4] or mixing alcohol with other psychoactive drugs [5] such as cannabis.