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Sleep Disorders

Our specialized team at the Center for Sleep Medicine at NewYork-Presbyterian/Weill Cornell Medical Center is experienced in diagnosing and treating the full range of sleep disorders. After the completion of the initial evaluation and testing procedures, our expert staff designs an individualized treatment plan to help each patient achieve high-quality sleep.

The sleep disorders we treat include:

Sleep Apnea

Snoring may seem like an annoyance, but for many people it is a symptom of obstructive sleep apnea, a condition in which breathing becomes interrupted by closure of the airway during sleep for 10 or more seconds multiple times per night. People with sleep apnea may find themselves waking up experiencing a choking sensation or gasping for air during the night. The disorder can cause oxygen levels in the body to drop and deprive the patient of a restful night's sleep, causing grogginess fatigue, and difficulties concentrating the next day. Sleep apnea is one of the most common problems treated by our team at the Center for Sleep Medicine.


Insomnia is commonly associated with difficulty falling asleep, difficulty staying asleep, or waking up from sleep too early. In some instances, patients who experience insomnia wake up feeling unrefreshed, which can affect their ability to function during the day. Many adults may experience insomnia at some point in their lives.

Restless Legs Syndrome

As many as 15 percent of people in America may experience some form of restless legs syndrome (RLS), which causes intense, uncomfortable sensations in the legs and feet before falling asleep. RLS is a common cause of insomnia and sleep disruption and may also cause symptoms during quiet periods of the day. The disorder may be caused by certain medications, iron deficiency, nerve damage, pregnancy, and other medical conditions, such as diabetes. In some cases, patients with RLS also have limb movements or increase in muscle activity during sleep, a condition called Periodic Limb Movement Disorder.


Narcolepsy is a condition presenting with increased daytime sleepiness, which sometimes is associated with involuntary sleep attacks, called cataplexy. Patients with narcolepsy often require a thorough sleep evaluation, which may also include overnight and daytime testing to monitor sleep.


People with hypersomnia feel excessively sleepy during the day and may sleep for prolonged periods at night. They often feel tired and irritable throughout the day and are unable to function effectively at work, with family, or in social situations. Hypersomnia may be related to another sleep disorder, such as narcolepsy or sleep apnea, medications, or other medical conditions.

Parasomnias and REM Sleep Behavior

Parasomnias are disorders of sleep arousal that occur as the brain transitions from wakefulness to sleep, from sleep to wakefulness, or during a mix of sleep and wakefulness. They can be accompanied by complex behaviors and mental disorientation. Examples include sleep walking, night terrors, and acting out dreams. People with parasomnias may find themselves kicking and hitting in their sleep. 

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