Inclusion Criteria:  1. Being diagnosed with Severe Obstructive Sleep Apnea 2. Being over 40 years old 3. Using CPAP 4. Not to be included in any exercise and diet program throughout the study  Exclusion Criteria:  Unstable angina pectoris, Body Mass Index (BMI)>35 kg/m2 Chronic Lung Disease Neurological or musculoskeletal problems that prevent him from exercising Congestive heart failure Unstable cardiovascular conditions Unstable metabolic conditions