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  2. Hypnic jerk - Wikipedia

    en.wikipedia.org/wiki/Hypnic_jerk

    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.

  3. Hypnagogia - Wikipedia

    en.wikipedia.org/wiki/Hypnagogia

    Hori et al. regard sleep onset hypnagogia as a state distinct from both wakefulness and sleep with unique electrophysiological, behavioral and subjective characteristics, [10] [12] while Germaine et al. have demonstrated a resemblance between the EEG power spectra of spontaneously occurring hypnagogic images, on the one hand, and those of both ...

  4. Nocturnal emission - Wikipedia

    en.wikipedia.org/wiki/Nocturnal_emission

    Due to the difficulty in collecting ejaculate produced during nocturnal emissions, relatively few studies have examined its composition. [4] [5]In the largest study, which included nocturnal emission samples from 10 men with idiopathic anejaculation, the semen concentration was equivalent to samples obtained from the same men by penile vibratory stimulation, although the proportions of sperm ...

  5. A Neurotologist Explains Why You Can’t Get That Song Out of ...

    www.aol.com/neurologist-explains-why-t-song...

    Earworms happen when a song gets stuck in your head and plays on loop internally. A neurologist explains methods to make it stop. ... They are fragments of music, usually 15 to 30 seconds, he says ...

  6. Sleep - Wikipedia

    en.wikipedia.org/wiki/Sleep

    On a typical night of sleep, there is not much time that is spent in the waking state. In various sleep studies that have been conducted using the electroencephalography, it has been found that females are awake for 0–1% during their nightly sleep while males are awake for 0–2% during that time.

  7. Why We Sleep - Wikipedia

    en.wikipedia.org/wiki/Why_We_Sleep

    Why We Sleep: The New Science of Sleep and Dreams (or simply known as Why We Sleep) is a 2017 popular science book about sleep written by Matthew Walker, an English scientist and the director of the Center for Human Sleep Science at the University of California, Berkeley, who specializes in neuroscience and psychology.

  8. Exploding head syndrome - Wikipedia

    en.wikipedia.org/wiki/Exploding_head_syndrome

    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.

  9. Hotel Worker Accused of Selling Liam Payne Drugs on Night of ...

    www.aol.com/hotel-worker-accused-selling-liam...

    A hotel worker accused of supplying drugs to Liam Payne before the One Direction singer’s death in Buenos Aires on Oct. 16., 2024 has reportedly turned himself in to the police. Ezequiel David ...