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Catathrenia

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Catathrenia is a rapid eye movement sleep parasomnia consisting of end-inspiratory apnea breath holding and expiratory groaning during sleep Catathrenia is distinct from both somniloquy and obstructive sleep apnea The sound is produced during exhalation as opposed to snoring which occurs during inhalation It is usually not noticed by the person producing the sound but can be extremely disturbing to sleep partners Bed partners generally report hearing the person take a deep breath, hold it, then slowly exhale; often with a high-pitched squeak or groaning sound

Catathrenia typically, sometimes even exclusively, occurs during REM sleep,1 although it may also occur to a lesser degree during NREM sleep Catathrenia begins with a deep inspiration The sufferer holds her or his breath against a closed glottis, similar to the Valsalva maneuver After a period of time and some blood oxygen desaturation, there is an arousal, followed by expiration Expiration can be slow and accompanied by sound caused by vibration of the vocal cords or a simple rapid exhalation with no sound2

There is debatecitation needed about whether the cause is physical or neurological, a question that requires further study While somewho speculate about a direct correlation to high anxiety and stress or the concept that catathrenia is purely psychological, there is only anecdotal evidence of either proposed cause

Catathrenia has been defined as a parasomnia in the International Classification of Sleep Disorders Diagnostic and Coding Manual ICSD-2, but there is debate about its classification1

There are a few other similaritiescitation neededamongst catathrenia sufferers that have not yet been studied properly:

  • Many catathrenia sufferers mention that they also suffer from some form of stress or anxiety in their lives
  • Sufferers themselves do not feel like they are experiencing a sleep apnea; the breath-holding appears to be controlled though the unconscious Oxygen desaturation during a catathrenia episode is usually negligiblecitation needed
  • Many took part in sports activities during teens and twenties some which required breath-holding which included many types of sports such as swimming and even weight lifting They find a certain level of comfort in breath-holding, and often do it while awakecitation needed
  • Observations have been made of instances of breath holding during daily activities that require concentration
  • Some sufferers recalled suffering from lucid or stress dreams during their catathrenia episodes during their sleep
  • Some sufferers complain of having a painful chest upon waking from sleep

Because catathrenia itself is not considered life-threatening, there has been very little research done in the medical community, and many experts assume that the way to treat catathrenia is to treat the underlying sleep apnea, though there is no conclusive evidence published that catathrenia results from sleep apnea, and sleep studies show that not all sufferers of catathrenia have been diagnosed with sleep apneacitation needed

While doctors tend to dismiss it as an inconvenience,citation needed sufferers routinely describe the condition's highly negative effects on their daily lives including tiredness, low energy, dizziness and vertigo, work problems, relationship and social issues, and other physical and mental problems that could be associated with low sleep quality

Possible remediesedit

Sleeping in a more upright position seems to lessen catathrenia as well as sleep apneacitation needed Performing regular aerobic exercise, where steady breathing is necessary running, cycling etc may lessen catathrenia Strength exercise, on the other hand, may worsen catathrenia because of the tendency to hold one's breath while exercisingcitation needed Yoga and/or meditation focused on steady and regular breathing may lessen catathreniacitation needed

Referencesedit

  1. ^ a b Vetrugno, R; Lugaresi, E; Plazzi, G; Provini, F; D'Angelo, R; Montagna, P 2007-11-01 "Catathrenia nocturnal groaning: an abnormal respiratory pattern during sleep" European Journal of Neurology 14 11: 1236–1243 doi:101111/j1468-1331200701954x ISSN 1468-1331 
  2. ^ "Catathrenia" American Sleep Association September 2007 Retrieved 18 January 2016 

External linksedit

  • neurologyorg - Catathrenia nocturnal groaning: A new type of parasomnia
  • European Respiratory Journal - Bringing light to the sirens of night: laryngoscopy in catathrenia during sleep
  • Catathrenia: Parasomnia or Uncommon Feature of Sleep Disordered Breathing PDF available
  • Catathrenia is Not Expiratory Snoring PDF available
  • Catathrenia Nocturnal Groaning: What is It PDF available

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Catathrenia


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    Catathrenia beatiful post thanks!

    29.10.2014


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