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  1. Is Memory Foam Toxic?

    Understand the chemical composition of memory foam, learn whether memory foam mattresses are safe to sleep on, and find out how to pick the right...

  2. Wakefulness After Sleep Onset

    Wakefulness after sleep onset measures time spent awake after falling asleep. Learn about how this metric of sleep quality can help you improve your...

  3. Paradoxical Sleep

    Paradoxical sleep is another name for rapid eye movement (REM) sleep. Learn about this sleep stage and discover other paradoxical sleep...

  4. Paroxysmal Nocturnal Dyspnea

    Paroxysmal nocturnal dyspnea is a shortness of breath during sleep that comes on suddenly. Learn more about the causes, signs, and when to get...

  5. Benefits of Sleeping Naked

    Could sleeping naked help improve your health? Explore the potential health and relationship benefits, and what to consider before trying...

  6. Light Sleeper: What It Means and What To Do About It

    Are you a light sleeper? Find out what might be waking you up, and get tips for improving your sleep hygiene and bedroom environment for more restful...

  7. 100+ Sleep Statistics

    Looking for the facts about sleep? Our in-depth look at sleep statistics gives hard data about sleep needs, disorders, and the impacts of sleep...

  8. Sleep Doctor At-Home Sleep Study Review

    The Sleep Doctor Home Sleep Test is a revolutionary at-home testing device for obstructive sleep apnea. We’ll discuss how the device works and how to obtain...

  9. What Are Micro CPAP Devices and Do They Work?

    Micro CPAP devices are being developed as an alternative to traditional CPAP therapy, but questions remain about the technology’s functionality and...

  10. Why Am I So Tired?

    Slept well, yet still struggling to get through the day? Learn possible reasons for why you are so tired and how you can get...