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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.
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.
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]
Waking up several times throughout the night is typically not disruptive to one’s health, as long as falling back asleep occurs within about five to 10 minutes, said Dr. Michelle Drerup ...
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]
If you can’t fall asleep after 20 minutes, get up and do a relaxing activity until you feel tired again. If none of those help, contact your doctor about next steps. They should be able to offer ...
When a person struggles to fall asleep or stay asleep with no obvious cause, it is referred to as insomnia, [2] which is the most common sleep disorder. [3] Others include sleep apnea, narcolepsy and hypersomnia (excessive sleepiness at inappropriate times), sleeping sickness (disruption of sleep cycle due to infection), sleepwalking, and night ...
Alarm devices: Alarm devices, such as a bed alarm or a wearable alarm, can be used to alert caregivers or family members if the person with narcolepsy is about to fall asleep unexpectedly. It is important for people with narcolepsy and cataplexy to work with their healthcare team to determine the best protective devices for their specific needs ...