What is the most common type of sleep disorder?

The most common type of sleep disorder is insomnia, affecting up to 30% of adults in the general population. Insomnia is a sleep disorder where people have difficulty falling asleep or staying asleep. There are two types of insomnia: acute and chronic. Acute insomnia can last from one night to a few weeks, while chronic insomnia occurs at least three nights a week for three months or longer.

Sleep apnea is another common sleep disorder, affecting an estimated 22 million Americans. Sleep apnea is a disorder where breathing repeatedly stops and starts during sleep, resulting in loud snoring and fragmented sleep. Restless leg syndrome is another common sleep disorder, affecting up to 15% of adults. Restless leg syndrome is a disorder where there is an irresistible urge to move the legs, especially at night.

Other common sleep disorders include narcolepsy, which is a neurological disorder that affects the control of sleep and wakefulness, and parasomnias, which are a group of sleep disorders that involve abnormal movements, behaviors, emotions, perceptions, and dreams that occur during sleep.