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Published on: 11/17/2025

What tests are used to evaluate sleep disorders?

To evaluate sleep disorders, doctors often use tests like polysomnography, which records brain waves and other body functions during sleep, and other specialized procedures to diagnose different sleep problems.

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Explanation

When doctors want to understand sleep problems, they often use a test called polysomnography. This test helps them see what happens in the body during sleep by measuring things like brain waves, breathing, and heart rate.

Common Tests for Sleep Disorders:

  1. Polysomnography (PSG): This is a detailed test done overnight that helps doctors see how a person sleeps. It checks brain activity, breathing, and other body functions.
  2. Home Sleep Apnea Testing (HSAT): This is a simpler test that can be done at home. It mainly checks for sleep apnea, which is when someone stops breathing for short periods during sleep.
  3. Multiple Sleep Latency Test (MSLT): This test helps understand how quickly someone falls asleep in a quiet environment during the day. It is often used to diagnose narcolepsy.
  4. Maintenance of Wakefulness Test (MWT): This measures how well a person can stay awake. It is often used for people who need to stay alert for work.

These tests help doctors figure out what might be causing sleep problems so they can suggest the best treatment.

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