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What does it consist of?

You will spend the night in a room at the CreuBlanca Clinic. After you get ready for sleep, one of the technicians will place sensors or electrodes on your scalp, temples, chest and legs with a soft adhesive, such as glue or tape. The sensors are connected via wires to a computer that monitors sleep stages and cycles. While you probably won’t sleep as well as you do at home, but this usually doesn’t affect your test results. An entire night’s sleep is not required to get accurate results from polysomnography.


After polysomnography, the sensors are removed and you can leave and resume your usual activities.


Who is it for?

Your doctor may recommend polysomnography if he or she suspects you have:

  • Sleep apnea or other sleep-related breathing disorder. In this disorder, breathing stops and starts repeatedly during sleep.
  • Syndrome of periodic movements of the legs. In this sleep disorder, the legs flex and extend involuntarily during sleep. This disorder is sometimes related to restless legs syndrome.
  • Narcolepsy. In this disorder, you experience overwhelming sleepiness and sudden sleep attacks during the day.
  • Rapid eye movement sleep behavior disorder. This sleep disorder consists of physically acting out dreams.
  • Unusual behaviors during sleep. Your doctor may perform this test if you do unusual activities during sleep, such as walking, moving a lot or making rhythmic movements.
  • Chronic insomnia with no apparent cause. If you’re continually having trouble falling asleep or staying asleep, your doctor may recommend polysomnography.
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