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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]
Even though the NIH recommends that adults get seven to nine hours of shuteye a night, many of us get far less.
In other languages, the word for "bad dream" similarly evolved in sense from words for "sleep paralysis," often with senses related to the pressure on the chest. For example, French cauchemar (the first element from old French chauchier "to press, trample," the second related to "mare"); Spanish pesadilla , from pesada "weight"; or Hungarian ...
There are three primary types of insomnia: sleep onset insomnia (difficulty falling asleep), sleep maintenance insomnia (difficulty staying asleep), and early waking, a subset of sleep maintenance ...
Sleep research conducted in the 1990s showed that such waking up during the night may be a natural sleep pattern, rather than a form of insomnia. [2] If interrupted sleep (called "biphasic sleeping" or " bimodal sleep ") is perceived as normal and not referred to as "insomnia", less distress is caused and a return to sleep usually occurs after ...
Even though the NIH recommends that adults get seven to nine hours of shuteye a night, many of us get far less.
If you haven’t deposited enough time in your sleep bank for the night, Behar suggests heading back to bed—with one exception. If your alarm is set to wake you in 90 minutes or less, stay up ...
Other symptoms include feeling as if one's environment is lacking in spontaneity, emotional coloring, and depth. [1] Described as "Experiences of unreality or detachment with respect to surroundings (e.g., individuals or objects are experienced as unreal, dreamlike, foggy, lifeless or visually distorted") in the DSM-5 , it is a dissociative ...