Laboratory tests are not diagnostic of sleep<unk> . Occasionally evidence of anemia, polycythemia, proteinuria, hypercapnia, or low T4 may be found.
Sleep apnea laboratory findings
Asthma laboratory findings
Dyspnea epidemiology and demographics
Sinoatrial arrest laboratory findings
Orthopnea epidemiology and demographics
Sleep apnea MRI
Apnea-hypopnea index
Central sleep apnea here