Sleep apnea is closely linked to several life threatening conditions. Here s what you need to. Sleep Monitor Anti Snoring Sleep Aid Watch Monitor Heart Rate Spo2 Sleep apnea and heart rate fluctuation a common cause of a rising heart rate during sleep is a lack of oxygen which is often brought on by obstructive sleep apnea. Sleep apnea rates . There may be a choking or snorting sound as breathing resumes. This accounts for an average of 400 apneas per night. About 42 percent of deaths in people with severe sleep apnea 5 of 12 deaths were attributed to cardiovascular disease or stroke compared with 26 percent of deaths in people with no sleep apnea 12 of 46 deaths. Sleep apnea affects 18 million americans yet most adults don t know they have it. Sleep apnea also spelled sleep apnoea is a sleep disorder where a person has pauses in breathing or periods of shallow breathing during sleep. Severe sleep apnea was associated with increased mortality whether or not participants ex...