what is sleep apnea
 
Snoring isn’t something that most of us worry about. But loud snoring—especially when it’s accompanied by daytime fatigue—may be a sign of sleep apnea, a common and potentially serious disorder in which breathing repeatedly stops and starts as you sleep. Untreated sleep apnea can be dangerous and detrimental to your health, so it’s important to see a doctor if you suspect that you or a loved one might have it. Read on to learn the warning signs of sleep apnea, how to distinguish it from normal snoring, the medical treatments available, and what you can do to help yourself.

What is sleep apnea?

Sleep apnea affects the way you breathe when you’re sleeping. In untreated sleep apnea, breathing is briefly interrupted or becomes very shallow during sleep. These breathing pauses typically last between 10 to 20 seconds and can occur up to hundreds of times a night, jolting you out of your natural sleep rhythm. As a consequence, you spend more time in light sleep and less time in the deep, restorative sleep you need to be energetic, mentally sharp, and productive the next day.

The chronic sleep deprivation that comes with sleep apnea results in daytime sleepiness, slow reflexes, poor concentration, and an increased risk of accidents. Sleep apnea can also lead to serious health problems over time, including diabetes, high blood pressure, heart disease, stroke, and weight gain. But with treatment you can control the symptoms, get your sleep back on track, and start enjoying being refreshed and alert every day.

Anatomy of a sleep apnea episode
As airflow stops during a sleep apnea episode, the oxygen level in your blood drops. Your brain responds by briefly disturbing your sleep enough to kick start breathing—which often resumes with a gasp or a choking sound. If you have obstructive sleep apnea, you probably won’t remember these awakenings. Most of the time, you’ll stir just enough to tighten your throat muscles and open your windpipe. In central sleep apnea, you may be conscious of your awakenings.

Types of sleep apnea

  • Obstructive sleep apnea is the most common type of sleep apnea. It occurs when the soft tissue in the back of your throat relaxes during sleep and blocks the airway, often causing you to snore loudly.
  • Central sleep apnea is a much less common type of sleep apnea that involves the central nervous system, occurring when the brain fails to signal the muscles that control breathing. People with central sleep apnea seldom snore.
  • Complex sleep apnea is a combination of obstructive sleep apnea and central sleep apnea.

Sleep apnea signs and symptoms

It can be tough to identify sleep apnea on your own, since the most prominent symptoms only occur when you’re asleep. But you can get around this difficulty by asking a bed partner to observe your sleep habits, or by recording yourself during sleep. If pauses occur while you snore, and if choking or gasping follow the pauses, these are major signs that you have sleep apnea.

Major signs and symptoms of sleep apnea:

  • Loud and chronic snoring almost every night
  • Choking, snorting, or gasping during sleep
  • Pauses in breathing
  • Waking up at night feeling short of breath
  • Daytime sleepiness and fatigue, no matter how much time you spend in bed

Other warning signs and symptoms of sleep apnea:

  • Waking up with a dry mouth or sore throat
  • Insomnia or nighttime awakenings
  • Going to the bathroom frequently during the night
  • Forgetfulness and difficulty concentrating
  • Uncharacteristic moodiness, irritability, or depression
  • Morning headaches
  • Restless or fitful sleep
  • Impotence

Signs and symptoms of sleep apnea in children

While obstructive sleep apnea can be common in children, it’s not always easy to recognize. In addition to continuous loud snoring, children with sleep apnea may adopt strange sleeping positions and suffer from bedwetting, excessive perspiration at night, or night terrors.

If you suspect your child may have sleep apnea, consult a pediatrician who specializes in sleep disorders. Once obstructive sleep apnea is diagnosed, surgery to remove the child’s tonsils or adenoids usually corrects the problem.

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