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The word hypnagogia is sometimes used in a restricted sense to refer to the onset of sleep, and contrasted with hypnopompia, Frederic Myers's term for waking up. [2] However, hypnagogia is also regularly employed in a more general sense that covers both falling asleep and waking up.
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.
Paradoxically, parental efforts can rather increase agitation of the child. The onset of symptoms is usually within 2 and 3 hours of sleep onset (at the time of transition from slow-wave sleep to a lighter sleep stage) and those events can last from 10 to 30 minutes. Patients generally wake up without any recollection of the event.
Individuals with exploding head syndrome hear or experience loud imagined noises as they are falling asleep or are waking up, have a strong, often frightened emotional reaction to the sound, and do not report significant pain; around 10% of people also experience visual disturbances like perceiving visual static, lightning, or flashes of light.
Nurses need the best shoes for standing all day. We talked to podiatrists to share the best shoes for nurses, including picks from Dansko, Hoka, and Figs.
Adobe Flash animation (formerly Macromedia Flash animation and FutureSplash animation) is an animation that is created with the Adobe Animate (formerly Flash Professional [1]) platform or similar animation software and often distributed in the SWF file format. The term Adobe Flash animation refers to both the file format and the medium in which ...
Microsleep is extremely dangerous when it occurs in situations that demand constant alertness, such as driving a motor vehicle or working with heavy machinery. People who experience microsleeps often remain unaware of them, instead believing themselves to have been awake the whole time, or to have temporarily lost focus.
In the fairy tale of Sleeping Beauty, an evil fairy places a curse on a princess, causing her to sleep for 100 years until she is awakened by a king's son. To ensure the princess does not wake up alone and frightened, the good fairy uses her wand to put everyone in the palace, including humans and animals, into a sleep state.