Loud, frequent snoring
Pauses in breathing during sleep
Gasping or choking during sleep
Waking up with a dry mouth
Morning headaches
Excessive daytime sleepiness
Trouble staying asleep
Waking up often to urinate
Difficulty concentrating
Irritability or mood changes
Feeling unrefreshed after a full night’s sleep
Witness reports of snoring or stopped breathing
High blood pressure
Obesity or large neck circumference
Falling asleep while driving or during quiet activities
Frequent nighttime sweating
Restless sleep
A sleep study showing abnormal breathing patterns