Complete List of Sleep Disorders


There are several different types of sleep disorders, from mild to severe. Most disorders are diagnosed by a physician or specialist and require keeping a sleep journal as well as undergoing a sleep study.

Insomnia and Sleep Apnea

  • Insomnia is an extremely common sleep disorder and it occurs when a person has trouble falling and/or staying asleep. Sleep apnea occurs when a person stops breathing during sleep.

Restless Leg Syndrome and Narcolepsy

  • Restless leg syndrome occurs when a person has an irritating feeling in their legs such as cramping, tingling or pulling, and it causes them to feel the need to move their legs to alleviate it. Narcolepsy is a disorder in which a person has difficulty controlling whether they sleep or stay awake and tend to alternate between the two throughout the day.

Rapid Eye Movement Behavior Disorder and Hypersomnia

  • In Rapid Eye Movement Disorder (RBD), a person acts out nightmares that occur during the REM sleep cycle. Hypersomnia occurs when a person has excess drowsiness during the day, even after getting the appropriate amount of sleep.

Sleepwalking and Nocturia

  • When sleepwalking, one acts out something they would normally do when they are awake, such as walking or eating. Nocturia is the recurring need to use the bathroom throughout the night.

Bruxism and Hypopnea

  • Bruxism is a condition where a person clenches or tightens their jaw unintentionally during sleep. Hypopnea occurs when a person breathes shallowly during sleep and does not receive enough oxygen as a result.

Other Less Common Sleep Disorders

  • Other less common sleep disorders include snoring, jet lag, delayed sleep phase syndrome, cataplexy, night terrors, parasomnia and sleep paralysis.

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