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Sleepwalking, also known as somnambulism or noctambulism, is a phenomenon of combined sleep and wakefulness. [1] It is classified as a sleep disorder belonging to the parasomnia family. [ 2 ] It occurs during the slow wave stage of sleep, in a state of low consciousness, with performance of activities that are usually performed during a state ...
While it's more common in kids, with reported rates of 5% experiencing an episode within the previous year, as many as 1.5% of adults also report walking in their sleep each year.
Sleep drunkenness, also known as confusional arousal, is the feeling of confusion or sudden action upon waking up from deep sleep. Severe sleep inertia , one cause of oversleeping, is considered to develop sleep drunkenness.
Sleepwalking or somnambulism, engaging in activities normally associated with wakefulness (such as eating or dressing), which may include walking, without the conscious knowledge of the subject. Somniphobia, one cause of sleep deprivation, a dread/ fear of falling asleep or going to bed. Signs of the illness include anxiety and panic attacks ...
Nocturnal sleep-related eating disorder (NSRED) is a combination of a parasomnia and an eating disorder.It is a non-rapid eye movement sleep (NREM) parasomnia. [1] It is described as being in a specific category within somnambulism or a state of sleepwalking that includes behaviors connected to a person's conscious wishes or wants. [2]
The first book on sleep [citation needed] was published in 1830 by Robert MacNish; it described sleeplessness, nightmares, sleepwalking and sleep-talking. Narcolepsy, hypnogogic hallucination, wakefulness and somnolence were mentioned by other authors of the nineteenth century.
The death of a loved one or a stressful life event can be enough to cause a nightmare, but conditions such as post-traumatic stress disorder and other psychiatric disorders have been known to cause nightmares as well. [14] If the individual is on medication, the nightmares may be attributed to some side effects of the drug.
Sleep-talking also appears in The Childhood of King Erik Menved, a 19th-century historical romance by Danish author Bernhard Severin Ingemann. [13] In the story, a young girl named Aasé has the prophetic power of speaking the truth in her sleep. In an 1846 English translation, Aasé is described thus: