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Hypnagogia is the transitional state from wakefulness to sleep, also defined as the waning state of consciousness during the onset of sleep. Its opposite state is described as hypnopompia – the transitional state from sleep into wakefulness. Mental phenomena that may occur during this "threshold consciousness" phase include hypnagogic ...
Hypnopompia (also known as hypnopompic state) is the state of consciousness leading out of sleep, a term coined by the psychical researcher Frederic Myers. Its mirror is the hypnagogic state at sleep onset; though often conflated, the two states are not identical and have a different phenomenological character.
Racing thoughts, also referred to as "racing mind", may prevent a person from falling asleep. Chronic sleep apnea and prolonged disturbed sleep patterns may also induce racing thoughts. Treatment for sleep apnea and obstructive airway disorder can improve airflow and improve sleep resulting in improved brain and REM function and reduced racing ...
Fatal insomnia is an extremely rare neurodegenerative prion disease that results in trouble sleeping as its hallmark symptom. [2] The majority of cases are familial (fatal familial insomnia [FFI]), stemming from a mutation in the PRNP gene, with the remainder of cases occurring sporadically (sporadic fatal insomnia [sFI]).
Sleep-related hallucinations are brief episodes of dream-like imagery that can be of any sensory modality, i.e., auditory, visual, or tactile. [2] They are differentiated between hypnagogic hallucination, that occur at sleep onset, and hypnapompic hallucinations, which occur at the transition of sleep to awakening. [2]
Those concerns are warranted given that about 40% of accidents occur either at night or during early morning hours, and those crashes are twice as likely to be fatal compared to daytime accidents ...
Peduncular hallucinosis (PH) is a rare neurological phenomenon that causes vivid visual hallucinations that typically occur in dark environments and last for several minutes. Unlike some other kinds of hallucinations, the hallucinations that patients with PH experience are very realistic, and often involve people and environments that are ...
The researchers also looked at death records and, after adjusting for factors like alcohol use, smoking, body mass and sleep duration, found that night people had a 9% greater risk of early death ...