During sleep, many people suffer from a serious breathing problem called obstructive sleep apnea. Some of the most common symptoms include:
- Loud snoring, gasping or jerking during sleep.
- Headache and sore throat.
- Confusion upon wakening, difficulty concentrating, irritability, or depression.
- Excessive sleepiness during the day.
- Cardiovascular problems such as high blood pressure, stroke, heart attack, and congestive heart failure.