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Dr Mark Lawrence

Certified Specialist in Orthodontics

Sleep Apnea

Are you drowsy during the day with no explanation? Do you snore loudly, or wake up breathless in the middle of the night? If so, you may be one of more than twelve million Americans affected by sleep apnea.

What is Sleep Apnea?

Sleep apnea is a condition in which breathing stops periodically during sleep, as many as 20-30 times per hour. (“Apnea” is the Greek word for “without breath.”) If you suffer from sleep apnea, each time your breathing stops, the resulting lack of oxygen alerts your brain, which temporarily wakes you up to restart proper breathing. Because the time spent awake is so brief, most people with sleep apnea don’t remember it – and many think they are getting a good night’s sleep. However, the constant wake-sleep-wake-sleep cycle precludes the deep sleep that refreshes the body, and sufferers are frequently drowsy during the day.

What are the Signs of Sleep Apnea?

The following symptoms can indicate the presence of sleep apnea. If you notice one or more of these, give us a call, and we can refer you to a sleep apnea specialist.

  • Insomnia or difficulty sleeping
  • Loud snoring at night
  • Waking up at night short of breath
  • Snorting or choking sounds during the night (indicating a restart of breathing)Headaches upon waking in the morning
  • Falling asleep unintentionally during the day
  • Extreme drowsiness throughout the day

Are There Different Types of Sleep Apnea?

There are three categories of sleep apnea. The most common is called obstructive sleep apnea (OSA), and occurs due to a physical blockage, usually the collapsing of the soft tissue in the back of the throat. Less common is central sleep apnea (CSA), in which breathing stops because the muscles involved don’t receive the proper signal from the brain. And some people suffer from “mixed” or “complex” sleep apnea, which is a combination of obstructive and central. Note: removed reference to heart disease.

What are Risk Factors for Sleep Apnea?

Obstructive sleep apnea is more common in males than females, and more common in older adults (40 and up) than younger adults and children. However, anyone – regardless of gender or age – can suffer from sleep apnea. Other risk factors include obesity, smoking, drinking, use of sedatives or tranquilizers, high blood pressure, and family history. Central sleep apnea strikes most often in people with heart disorders, neuromuscular disorders, strokes, or brain tumors. It is also more common in males.

Is Sleep Apnea Dangerous?

Sleep apnea is considered a serious medical problem and if left untreated can lead to high blood pressure, increasing the risk of heart failure and stroke. The ongoing state of fatigue caused by sleep apnea can lead to problems at work or school, as well as danger when operating cars or other heavy machinery. Sleep apnea can also cause complications with medication or surgery: sedation by anesthesia can be risky, as can lying flat in bed after an operation. If you know or suspect you suffer from sleep apnea, alert any doctors who prescribe medication or advise surgery.

Download our Sleep Apnea related documents here:

  • Sleep Apnea Questionare [PDF]
  • Sleep Apnea Sleep Log [PDF]