What are the main tests performed during a sleep study?

See below: Depending upon the complexity of your sleep study equipment and whether it is done at home or at a sleep center, many things are measured....Cardiac parameters, brain activity, blood oxygen saturation, co2 levels, eye movement, leg movement, chest and thoracic movement, jaw movement, chest muscles, snoring, and nasal airflow. All are painless, and measured while you are sleeping.

12 or more possible: The main tests performed during a sleep study include sleep stages, body position, microarousals, leg movement, heart rate, how many times breathing stops or air flow is reduced, blood oxygen level, snoring, chest & abdomen movement. A sleep study is the only way to determine if one has sleep apnea. Treatment usually involves an oral appliance, CPAP maching or surgery.