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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. Hypnic jerks are one form of involuntary muscle ...
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Sleeping while on duty or sleeping on the job – falling asleep while one is not supposed to – is considered gross misconduct and grounds for disciplinary action, including termination of employment, in some occupations. [1] [2] Recently however, there has been a movement in support of sleeping, or napping at work, with scientific studies ...
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.
Bedtime procrastination is a psychological phenomenon that involves needlessly and voluntarily delaying going to bed, despite foreseeably being worse off as a result. [1] Bedtime procrastination can occur due to losing track of time, or as an attempt to enjoy control over the nighttime due to a perceived lack of control over the events of the ...
February 20, 2024 at 3:52 PM. Getty Images/iStockphoto. An Indiana mother is facing charges after falling asleep while breastfeeding her baby, leading to the infant’s death, police said. On Oct ...
The heat turns up in the summer, after all. That cost of finding childcare means that almost a third (29%) of parents report being unable to save in the summer, according to a Intuit Credit Karma ...
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 ...