Changes in Blood Gases, Disturbance of Breath During Sleep and Cardiovascular Co-morbidity in COPD Patients

Supplementary oxygen 2 L/min if SpO2 \< 90%. If SpO2 \< 90 % the oxygen dose is titrated until SpO2 reads 88-92%. For patients on LTOT the oxygen dose is doubled for intervention.

5 mg sedative given approximately 1 hour before sleep

5 mg alcohol/kg body-weight approximately 1 hour before sleep