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Related Concept Videos

Narcolepsy01:07

Narcolepsy

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Narcolepsy is a chronic sleep disorder characterized by pervasive, uncontrolled sleepiness and other sleep disturbances. One of its hallmark symptoms is an abrupt transition to REM sleep upon falling asleep, which causes symptoms typically associated with this phase to occur unexpectedly during wakefulness. These include the following symptoms, which typically last from a minute or two to half an hour.
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Management of Insomnia01:19

Management of Insomnia

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The sleep cycle, an integral part of human health, consists of several stages with distinct characteristics and functions. It begins with a transition from wakefulness to sleep, known as the light sleep phase, followed by the restorative deep sleep phase, essential for physical recovery and growth. The cycle concludes with the Rapid Eye Movement (REM) phase, characterized by high brain activity and vivid dreaming. Insomnia, a prevalent sleep disorder, involves difficulty falling asleep, staying...
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Sedatives and Hypnotics: Overview01:23

Sedatives and Hypnotics: Overview

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Sedatives are drugs that alleviate anxiety, while hypnotics induce sleep. Both classes of medication suppress neuronal activity, leading to a calming effect for sedatives and facilitating sleep for hypnotics.
Sedative-hypnotics are categorized into barbiturates, benzodiazepines (BZDs), and non-benzodiazepines or Z-drugs. These drugs work by suppressing central nervous system activity, and this suppression is dose-dependent. Older sedative medications, like barbiturates, follow a linear curve in...
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Insomnia01:27

Insomnia

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Insomnia is a prevalent sleep disorder characterized by difficulty falling asleep, frequent awakenings during the night, and waking up too early without being able to return to sleep. People with insomnia often experience these disruptions at least three nights a week for at least one month. Chronic insomnia, which lasts for at least three months, can lead to increased anxiety, which in turn can worsen sleep difficulties, creating a cycle of sleeplessness and stress.
Multiple factors contribute...
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Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
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Nightmares and Night Terrors01:18

Nightmares and Night Terrors

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Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Hypnic Headache - What do we know in 2022?

Diana Lindner1, Armin Scheffler1, Michael Nsaka1

  • 1Department of Neurology, Westgerman Headache Center Essen, University Hospital Essen, Essen, Germany.

Cephalalgia : an International Journal of Headache
|February 14, 2023
PubMed
Summary
This summary is machine-generated.

Hypnic Headache, or alarm clock headache, is a rare sleep-related disorder. Identifying secondary causes is crucial before diagnosing the primary condition, which may involve hypothalamic dysfunction.

Keywords:
Hypnic HeadacheICHD-3pathophysiologysecondary causes

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Area of Science:

  • Neurology
  • Sleep Medicine
  • Headache Disorders

Background:

  • Hypnic Headache, also known as alarm clock headache, is a rare primary headache disorder.
  • Characterized by recurrent headache attacks exclusively occurring during sleep, particularly nighttime sleep.

Purpose of the Study:

  • To provide a narrative review of current knowledge on Hypnic Headache.
  • Focus on secondary Hypnic Headache, including its causes and therapeutic options.

Main Methods:

  • Literature research utilizing PubMed and Google Scholar.
  • Analysis and summarization of recent case reports, studies, and systematic reviews.

Main Results:

  • Hypnic Headache predominantly affects elderly patients, but can occur in younger individuals and children.
  • Numerous potential causes for secondary Hypnic Headache exist and must be excluded.
  • The pathophysiology of primary Hypnic Headache is not fully understood, but hypothalamic dysfunction is implicated.

Conclusions:

  • Secondary causes of Hypnic Headache require thorough investigation and exclusion.
  • Hypothalamic dysfunction is a potential key factor in the pathophysiology of primary Hypnic Headache.