Obstructive sleep apnea (OSA) can manifest through various symptoms, which may include:
- Excessive daytime sleepiness
- Unrefreshing sleep
- Memory and concentration problems
- Morning or nighttime headaches
- Heartburn or sour mouth taste at night
- Swelling in the legs
- Frequent nocturnal urination
- Sweating and chest pain while sleeping
- Episodes of not breathing (apnea), ranging from mild (few as 5 times an hour) to severe (over 50 times an hour)
- Loud snoring (though not all snorers have sleep apnea)
- Restless tossing and turning during sleep
- Nighttime choking or gasping
