What are the different types of Sleep Studies (Polysomnogram) - Dr Krystel Skilton

What are the different types of sleep studies and why is this important to understand? Dr Krystel Skilton at the SleepWise Clinic explains..

Dr Krystel Skilton: Hi there, I'm Dr Krystel and I'm here to talk about the different types of polysomnograms, or sleep studies, that are available.

A type 1 polysomnogram is usually conducted overnight in a sleep centre or a hospital. It is a supervised study so there is assistance should any of the sensors become dislodged during the night. Now, these sensors monitor your brainwaves, oxygen levels, heart rate and breathing, as well as eye and leg movements.

A type 2 polysomnogram study offers similar information to that of the type 1, with the main exception that a type 2 study is unsupervised and therefore can be done at home. Because it is unsupervised and because of the multitude of sensors that are involved, if a sensor becomes dislodged overnight the study may not have recorded sufficient data for the sleep physician to utilise.

A type 3 sleep study is similar to ones that we use here at the SleepWise Clinic. It is a simpler version that is easy for patients to use at home as a home-based test. This test is useful to diagnose obstructive sleep apnoea and snoring; however, for more complex sleep conditions such as parasomnias or restless legs syndrome, a type 1 study will offer more useful information.

For more information on sleep studies follow the link below:

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