
Sleep apnea causes repeated pauses in breathing during sleep, and because most of these episodes happen while you’re unconscious, the condition often goes unnoticed for years — frequently identified by a partner before the person experiencing it realizes anything is wrong.
Nighttime Symptoms
- Loud, chronic snoring, often with pauses followed by gasping or choking sounds
- Witnessed breathing pauses during sleep, usually noticed by a bed partner
- Waking up gasping or short of breath
- Frequent nighttime urination
- Restless, fragmented sleep despite spending enough time in bed
Daytime Symptoms
- Excessive daytime sleepiness, even after a full night in bed
- Morning headaches
- Difficulty concentrating or memory lapses
- Irritability or mood changes
- Dry mouth or sore throat upon waking
Who’s at Higher Risk
Excess weight, especially around the neck, is one of the strongest risk factors, since extra tissue can narrow the airway during sleep. Other contributors include a naturally narrow airway, enlarged tonsils, nasal congestion, smoking, alcohol use before bed, and a family history of sleep apnea. It’s more common in men and in people over 40, though it can affect anyone, including children.
Why It Matters Beyond Poor Sleep
Untreated sleep apnea is linked to a higher risk of high blood pressure, heart disease, stroke, and type 2 diabetes, since repeated drops in oxygen levels put ongoing strain on the cardiovascular system. The persistent daytime fatigue it causes can also increase the risk of accidents, including while driving.
Getting Diagnosed
A sleep study, either in a lab or increasingly through a home sleep test, is the standard way to diagnose sleep apnea. The test measures breathing patterns, oxygen levels, and other markers overnight to determine whether apnea is present and how severe it is.
Treatment Options
CPAP (continuous positive airway pressure) therapy is the most common and effective treatment, using a machine to keep the airway open during sleep. Other options include oral appliances that reposition the jaw, weight loss when excess weight is a contributing factor, positional therapy, and in some cases surgery. Many people notice a significant improvement in energy and mood within days to weeks of starting effective treatment.
Living With a Sleep Apnea Diagnosis
Adjusting to CPAP therapy can take some patience, since finding a comfortable mask fit and getting used to sleeping with the equipment often takes a few weeks. Most people who stick with consistent treatment report it becoming routine fairly quickly, and the improvement in daytime energy and overall health risk reduction is generally considered well worth the adjustment period.
Sleep Apnea in Children
While less commonly discussed, sleep apnea also affects children, often related to enlarged tonsils or adenoids rather than weight. Signs in kids can look different from adults, including bedwetting, hyperactivity, poor school performance, or snoring with pauses, and are worth mentioning to a pediatrician if noticed.
What Happens If a Sleep Study Comes Back Negative
If a sleep study doesn’t show apnea but symptoms like daytime sleepiness persist, it’s worth discussing other possible causes with your doctor, such as insomnia, restless leg syndrome, or a mood or thyroid condition, since several different issues can produce overlapping fatigue-related symptoms.
Related Reading
For further background, see the American Academy of Sleep Medicine’s patient resources.
Frequently Asked Questions
Can you have sleep apnea without snoring?
Yes, while loud snoring is common, some people with sleep apnea, particularly central sleep apnea, don’t snore loudly or at all.
Is sleep apnea only a concern for people who are overweight?
No, while excess weight is a major risk factor, sleep apnea can also occur in people at a healthy weight due to airway anatomy or other factors.
How is a sleep study done?
It can be done overnight in a sleep lab with sensors monitoring breathing and oxygen, or at home using a simplified portable monitoring device, depending on what your doctor recommends.
Does treating sleep apnea actually lower health risks?
Consistent treatment, especially with CPAP, has been shown to reduce associated cardiovascular risks and improve quality of life for most people who use it regularly.
This is general information, not medical advice. See a doctor for personal guidance or before making changes to your health routine.


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