sleep study ( polysomnography)

Polysomnography is a sleep study. This test records certain body functions as you sleep, or attempt to sleep. It is utilized to diagnose sleep disorders.

During a PSG, the doctor will measure the following to assist chart your sleep cycles:

1. Brain waves
2. Skeletal muscle activity
3. Blood oxygen levels
4. Heart rate
5. Breathing rate
6. Eye movement

A sleep study may be done at a sleep disorder unit in a hospital or at a sleep center. The test is performed at night. But it may be done during the day for shift workers who sleep within the daytime.

Why do I require a polysomnography?

A specialist can utilize a polysomnography to diagnose sleep disorders. It regularly assesses for symptoms of sleep apnea, a disorder in which breathing stops constantly and restarts during sleep. The indications of sleep apnea include:

1. sleepiness during the day in spite of having rested
2. ongoing and loud snoring
3. periods of holding your breath at the time of sleep, which are taken after by gasps for air
4. frequent episodes of waking up during the night
5. restless sleep