Adult patients (18 to 70 yrs.) with asthma who require treatment with CPAP because of OSAS (RDI\> = 20 events per hour)
You may not be if
unstable or severe comorbidity,
patients in treatment with drugs that interfere with the clinical course of asthma and/or OSAS,
cognitive/psychiatric disorders that preclude patient participation/cooperation,
COPD or other lung disease accompanied by chronic airflow limitation, and
any clinical condition considered severe enough by the investigators to preclude all the diagnostic and therapeutic procedures outlined in this protocol.
