Medically Reviewed

What is Sleep Apnea? Complete Guide for Beginners

Learn the fundamentals of obstructive sleep apnea, including symptoms, causes, and why treatment is critical for your health.

Dr. Sarah Johnson
Board-Certified Sleep Medicine Physician
8 min read
Updated 1/15/2024

Understanding Sleep Apnea

Sleep apnea is a serious sleep disorder that occurs when your breathing repeatedly stops and starts during sleep. The most common type is obstructive sleep apnea (OSA), which affects millions of Americans.

What Happens During Sleep Apnea?

During an apnea event, your airway becomes blocked or collapses, preventing air from reaching your lungs. This can happen dozens or even hundreds of times per night, severely disrupting your sleep quality and oxygen levels.

Common Symptoms

  • Loud snoring followed by periods of silence
  • Gasping or choking during sleep
  • Excessive daytime fatigue
  • Morning headaches
  • Difficulty concentrating
  • Irritability and mood changes

Health Risks

Untreated sleep apnea can lead to serious health complications including:

  • High blood pressure
  • Heart disease and stroke
  • Type 2 diabetes
  • Depression
  • Cognitive impairment

Getting Diagnosed

If you suspect you have sleep apnea, it's important to consult with a sleep specialist. Diagnosis typically involves a sleep study that monitors your breathing, heart rate, and brain activity during sleep.

Medical Disclaimer

This content is for educational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider for diagnosis and treatment recommendations specific to your condition. Individual results may vary.

About the Author

Dr. Sarah Johnson

Board-Certified Sleep Medicine Physician

Board-certified specialist with extensive experience in sleep medicine and Inspire therapy.

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