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Below are sleep disorders frequently diagnosed by the sleep specialists at the Baylor Garland Sleep Center.
Insomnia is trouble falling asleep or staying asleep. This problem can lead to fatigue during the day and inhibit focusing on daily tasks. Although insomnia can be the result of depression or anxiety, there may be physical causes that are unknown to patients.
Sleep apnea is a common but serious disorder in which a person stops breathing repeatedly during sleep – sometimes hundreds of times during the night and often for a minute or longer. Common symptoms of sleep apnea include loud, interrupted snoring, observations by a bed partner of breath-holding episodes, morning headaches and daytime drowsiness.
Restless legs syndrome is an overwhelming desire to move the legs, which is usually caused by uncomfortable sensations in the legs just as the person is trying to fall asleep. It also can occur while a person is sitting quietly during the day and often prevents him or her from falling asleep.
Periodic limb movements are another common sleep disorder that a person is almost always unaware of. A person with periodic limb movements has contractions of the muscles in the lower legs or even kicking movements during sleep. Signs of periodic limb movements include a feeling of light, non-refreshing sleep and disheveled bedcovers upon awakening.
Narcolepsy is a sleep disorder defined by cataplexy (sudden muscle weakness triggered by strong emotions), sleep paralysis (an inability to move when falling asleep and waking up) and hypnagogic hallucinations (hallucinatory visions when falling asleep or waking up). Not all patients with narcolepsy have all these symptoms, but constant daytime sleepiness and falling asleep at inappropriate times are common signs.
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