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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 twitches ...
Sleep paralysis is a state, during waking up or falling asleep, in which a person is conscious but in a complete state of full-body paralysis. [1][2] During an episode, the person may hallucinate (hear, feel, or see things that are not there), which often results in fear. [1][3] Episodes generally last no more than a few minutes. [2]
Dylan is always dreaming up ways to make vegetables more exciting for her little ones to enjoy. Her go-to side dish lately is broccoli . “My kids really like broccoli, and they especially love ...
Frequency. ~10% of people [2] Exploding head syndrome (EHS) is an abnormal sensory perception during sleep in which a person experiences auditory hallucinations that are loud and of short duration when falling asleep or waking up. [2][4] The noise may be frightening, typically occurs only occasionally, and is not a serious health concern. [2 ...
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 ...
Sickness behavior is a coordinated set of adaptive behavioral changes that develop in ill individuals during the course of an infection. [1] They usually, but not always, [2] accompany fever and aid survival. Such illness responses include lethargy, depression, anxiety, malaise, loss of appetite, [3][4] sleepiness, [5] hyperalgesia, [6 ...
Sleep disorder. A sleep disorder, or somnipathy, is a medical disorder of an individual's sleep patterns. Some sleep disorders are severe enough to interfere with normal physical, mental, social and emotional functioning. Sleep disorders are frequent and can have serious consequences on patients' health and quality of life. [1]
Paroxysmal nocturnal dyspnea or paroxysmal nocturnal dyspnoea (PND) is an attack of severe shortness of breath and coughing that generally occurs at night. [ 1 ] It usually awakens the person from sleep, and may be quite frightening. [ 2 ] PND, as well as simple orthopnea, may be relieved by sitting upright at the side of the bed with legs ...