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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 ...
Closed-eye hallucinations and closed-eye visualizations (CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause stimulates the eye.
These have a two-fold effect: first, just as in R.E.M. sleep, these brain-stem fragments essentially activate the dream mechanism. Second, they catalyze a near-waking state. However, this is often not powerful enough to jar a person completely out of deep sleep, and so only the mind fully awakens, leaving the body trapped in the atonia of deep ...
After all, waking up in the middle of your sleep, and then struggling to fall back asleep makes you tired and cranky the next day. ... While we sleep, our bodies repair tissue, regulate our ...
After other similar case studies were published, this syndrome was labeled "peduncular hallucinosis." The accumulation of additional cases by Lhermitte and by others influenced academic medical debate about hallucinations and about behavioral neurology. Lhermitte provided a full account of his work in this area in his book "Les hallucinations ...
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.
A migraine headache can throw your whole day off track. But if you can learn to pick up on your subtle migraine warning signs, you might able to avoid the pain entirely , experts say.
Sleep walking may involve sitting up and looking awake when the individual is actually asleep, and getting up and walking around, moving items or undressing themselves. They will also be confused when waking up or opening their eyes during sleep. Sleep walking can be associated with sleeptalking. [19]