Obesity

Obstructions in breathing that are caused due to excess weight can lead to obstructive sleep apnea.

Family history

If you have family members with sleep apnea or even snoring, you may have a greater chance of developing sleep apnea.

Male gender

Men are more likely to have sleep apnea than women.

Anatomy

Large neck circumference, narrow throat, small lower jaw, large tonsils, and large tongue are factors that increase the risk of obstructive sleep apnea.

Age

Obstructive and central sleep apnea occurs more often in middle-age and older adults.

Alcohol and pain medications consumption

Alcohol consumption at bedtime and pain medications relax the muscles in the throat, worsening obstructive sleep apnea.

Smoking

Smokers are more likely to have sleep apnea than people who have never smoked, as smoking increases the inflammation in the airway.

Medical conditions

Heart disease, prior stroke, high blood pressure and type II diabetes may increase the risk of sleep apnea. As these conditions are also complications of sleep apnea, the whole problem is a vicious cycle.