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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 ]
Epileptic seizure, nightmares. Night terror, also called sleep terror, is a sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage 3–4 non-rapid eye movement (NREM) sleep [1] and lasting for 1 to 10 minutes. [2] It can last longer, especially in children. [2]
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 ]
Night time anxiety can cause you to wake up at an unusually early hour (say, 3 a.m.), feel like you haven’t had enough sleep, and then feel pressure to go back to sleep, explains Virginia Runko ...
Psychiatry. Frequency. c. 4% [1] Nightmare disorder is a sleep disorder characterized by repeated intense nightmares that most often center on threats to physical safety and security. [2] The nightmares usually occur during the REM stage of sleep, and the person who experiences the nightmares typically remembers them well upon waking. [2]
Night hag. The Nightmare, by Henry Fuseli (1781) is thought to be one of the classic depictions of sleep paralysis perceived as a demonic visitation. The night hag or old hag is the name given to a supernatural creature, commonly associated with the phenomenon of sleep paralysis. It is a phenomenon in which the sleeper feels the presence of a ...
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 dangling ...
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 ...