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  1. Sleep Studies - NHLBI, NIH

    Mar 24, 2022 · Sleep studies, also called polysomnography, are painless tests that measure how well you sleep and how your body responds to sleep problems. They are also used to help your doctor …

  2. Sleep Apnea - Diagnosis | NHLBI, NIH

    Jan 9, 2025 · See a sample sleep diary. Tests to look for other medical conditions Your provider may order additional tests to check for other medical conditions that can cause sleep apnea. For example, …

  3. Sleep Deprivation and Deficiency - Diagnosis | NHLBI, NIH

    Mar 24, 2022 · Learn how sleep deprivation and sleep deficiency are diagnosed. How can your doctor tell if you are sleep deprived? Learn about the benefits of keeping a sleep diary to share with your …

  4. Sleep Apnea - What Is Sleep Apnea? | NHLBI, NIH

    Jan 9, 2025 · Sleep apnea is a common condition that occurs when your breathing stops and restarts many times while you sleep. Learn about the causes, symptoms, and treatments of sleep apnea.

  5. Narcolepsy - Narcolepsy | NHLBI, NIH

    Mar 5, 2025 · Narcolepsy is a chronic disorder that makes people very sleepy during the day and disrupts sleep at night. People living with narcolepsy fall asleep without warning during daily activities …

  6. Insomnia - Diagnosis | NHLBI, NIH

    Mar 24, 2022 · A sleep study looks for other sleep problems, such as circadian rhythm disorders, sleep apnea, and narcolepsy. Actigraphy looks at your periods of rest and activity and measures how well …

  7. Circadian Rhythm Disorders - Diagnosis | NHLBI, NIH

    Mar 24, 2022 · To diagnose a circadian rhythm disorder, your doctor may review your medical history; ask about your symptoms, sleep patterns, and environment; do a physical exam; and order …

  8. Sleep health refers to consistently getting enough sleep that is of good quality to wake up feeling rested and alert, at the appropriate time for sleep. Maintaining sleep health promotes physical and mental …

  9. Sleep Apnea Research - NHLBI, NIH

    Jan 8, 2025 · Positive airway pressure (PAP) therapy is a common and effective treatment for sleep apnea. Yet, many people with sleep apnea find it difficult to stick to PAP therapy long-term. The …

  10. SBIR success story: diagnosing obstructive sleep apnea at home

    Sep 1, 2023 · Obstructive sleep apnea affects millions of adults worldwide, including more than 24 million in the United States. However, most cases, 90%, remain undiagnosed. The condition results …