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Polysomnogram (PSG)

In-lab Sleep Study

A polysomnogram is an overnight sleep study that records brain
activity, eye movements, heart rate,blood pressure, oxygen levels, body
movement, and more.

Polysomnograms are used to help diagnose a wide variety of sleep
disorders including: breathing disorders such as obstructive sleep
apnea, sleep related seizure disorders, movement disorders, etc.
Tests usually begin around 9 p.m. and concludes the following
morning between 5-6 a.m. and are administered and monitored by
a registered polysomnographic technologist (RPSGT).

A lab sleep study has a certain connotation that suggests white lab
coats, sterile machines, and a general twinge of discomfort. As
such, sleep study patients often complain that they are unable to
relax during their study. However, most of these notions are easily
debunked once visiting a sleep study clinic.
Sleep clinics are “often furnished with high-quality bedding, warm
and homey furniture and décor, and minimal hospital equipment
in the room.” All of this is designed to relax the patient and make
them feel more at home.
An in-lab sleep study will also use more sensors and gather more
accurate data. Sleep professionals will also monitor your progress
throughout the night to ensure everything is running correctly.
This ensures that the patient is following protocol throughout the
study. This is superior to a home sleep test in that a home test
cannot measure brain wave activity. This means that a person
lying in bed awake or asleep shows no noticeable difference in a
home test.
For those of us that are conscious of the cost of an in-lab sleep
study, almost all insurances cover sleep studies. According to our
research, insurance providers may require a home sleep test
before conducting a more accurate in-lab test.