• Nocturnal Polysomnography or the Sleep Study: In this test, your body is attached to equipment that monitors your brain activity, lungs and heart along with breathing patterns, arm and leg movements, and oxygen levels of the blood during sleep.
• Sometimes, the doctor may advise you to perform sleep tests at home to diagnose Sleep Apnea.
  • This test records the breathing pattern, blood oxygen levels, heart rate and other information of the body.
  • The home test for sleep apnea requires equipment which a physician may provide.
  • The equipment is attached to the body and switched on before sleep and can be removed after waking up.
  • In high risk cases like pulmonary conditions and heart troubles the physician may advice the test to done in the lab itself.