33 supporting the findings of the present study hypoxemia increased the. Although sleep disturbance is a common symptom of major depression it is frequently under recognized particularly in psychiatric patient samples 1 although it is clear that normalizing the architecture of sleep is predictive of depression treatment 2 the incidence of obstructive sleep apnea osa in the psychiatric population appears to be rising. Pin On High Blood Pressure Sleep apnea is a potentially serious sleep disorder in which breathing repeatedly stops and starts. Hypoxia and sleep apnea . Recent studies have found however that hypoxemia can be influenced by sleep apnea. The apnea hypopnea index or apnoea hypopnoea index ahi is an index used to indicate the severity of sleep apnea it is represented by the number of apnea and hypopnea events per hour of sleep. Previous studies have linked sleep apnea a condition that affects an estimated 18 million americans to an increased risk of cancer death although t