In recent years, research has provided increasing knowledge and answered many questions about sleep-wake functioning. The rapidly evolving field has become a recognized medical subspecialty in some countries.

Common Disorders:


Snoring is known to cause sleep deprivation to snorers and those around them, as well as daytime drowsiness, irritability, lack of focus and decreased libido.It has also been suggested that it can cause significant psychological and social damage to sufferers.Multiple studies reveal a positive correlation between loud snoring and risk of heart attack (about +34% chance) and stroke (about +67% chance).

Though snoring is often considered a minor affliction, snorers can sometimes suffer severe impairment of lifestyle. The between-subjects trial by Armstrong et al. discovered a statistically significant improvement in marital relations after snoring was surgically corrected. This was confirmed by evidence from Gall et al.,Cartwright and Knight and Fitzpatrick et al


  • Bruxism
  • Parasomnias
  • Periodic limb movement disorder (PLMD)
  • Restless legs syndrome (RLS)
  • Sleepwalking (somnambulism)
  • Narcolepsy
  • Sleep disordered breathing (SDB)

Treatments and Test

  • Polysomnography (PSG)
  • Multiple sleep latency test (MSLT)
  • Maintenance of wakefulness test (MWT)

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