If you have symptoms of sleep apnea, your doctor may ask you to have a sleep apnea test, called a polysomnogram (PSG). This may be done in a sleep disorder center or even at home. A polysomnogram -- ...

A narcolepsy diagnosis requires several tests. A doctor will perform a physical exam and an in-depth medical history to rule out other causes of symptoms. Keep in mind that having some of the major ...

Insurance carriers are pushing harder for patients to have unattended home sleep studies versus in-lab polysomnograms. Their position is that home sleep studies are more cost efficient. But is it the ...

Sleep apnea, sleep apnoea or sleep apnœa is a sleep disorder characterized by pauses in breathing during sleep. These episodes, called apneas (literally, "without breath"), each last long enough so ...

Paradoxical insomnia: Is the patient sleeping or not? A patient complains that he cannot sleep despite normal polysomnogram results. One poorly understood sleep disorder is paradoxical insomnia, in ...

The polysomnogram is a sleep test usually done overnight in hospital to diagnose sleep disorders. But for people who cannot sleep in a strange environment with wires stuck to them, sleep studies can ...

Recent studies strongly suggest that nocturnal oxygen desaturation in children with sickle cell anemia is associated with an increase incidence of pain and stroke. However, no relationship has been ...