A board certified sleep medicine physician can diagnose obstructive sleep apnea using an in-lab sleep study or a home sleep apnea test. A board-certified sleep physician has training and expertise in diagnosing and treating sleep apnea.
The physician will need to know your symptoms, and whether they began when you gained weight or stopped exercising. If you can, ask a partner or roommate or relative if they have ever heard you snore loudly or make choking noises in your sleep.
You may also need to keep a sleep diary for two weeks. This includes information about what time you went to bed each night, when you woke up in the morning and how many times you woke up each night. This will help the doctor see your sleep patterns, which could contain clues about how to diagnose and correct your sleep problem.
A sleep medicine physician will also try to determine if there is something else that is causing your sleep problems or making the symptoms worse, such as: