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  1. Medical and Brain Conditions That Cause Excessive Sleepiness

    Uncontrollable yawning, heavy eyelids, and the powerful urge to doze off during the day are signs of excessive sleepiness. Struggling to stay awake can drag down performance at school and work, put strain on social and personal relationships, and create serious risks when driving. If you experience persistent drowsiness, it’s normal to wonder, “why am […]

  2. How Lack of Sleep Impacts Cognitive Performance and Focus

    Sleep is an important time for the brain. Levels of brain activity change in each stage of sleep — including both rapid eye movement (REM) and non-REM (NREM) sleep — and evidence increasingly suggests that sleep enhances most types of cognitive function. Getting enough hours of high-quality sleep fosters attention and concentration, which are a […]

  3. The Best Foods To Help You Sleep

    Whether it’s a jolt after a cup of coffee or drowsiness after Thanksgiving dinner, most people have personally experienced how food and drinks can affect their energy and alertness. With as many as 35% of American adults suffering from symptoms of insomnia, it’s understandable that there’s a strong desire to take advantage of food and […]

  4. How To Relieve Stress for Bedtime

    While stress is the body’s natural response to protecting itself, chronic stress or anxiety can have many long-term effects, including poor sleep or even sleepless nights. Stress invokes the “fight or flight” feeling. This elevates the heart rate, quickens breathing, and increases stress hormones in the body. Anxiety is stress that continues after the stressor […]

  5. Allergens That Impact Sleep

    Allergic rhinitis is thought to affect up to 20 to 30% of adults in the U.S. and may be even more common in childhood. Caused by sensitivity to allergens such as dust mites, pet dander, pollen, and mold, allergic rhinitis can have significant effects on sleep and quality of life. We’ll examine the most common […]

  6. What’s the Connection Between Race and Sleep Disorders?

    Few time periods have called so much attention so quickly to the issue of racial inequality in the United States as the spring of 2020. The horrific killing of George Floyd caused millions of people to confront the dramatic differences between the lived experiences of white people and people of color in America. The heightened […]

  7. Why Are All-Nighters Harmful?

    Anyone who’s faced a major deadline, whether for a project, a test in school, or an important business presentation, has probably considered sacrificing sleep in order to spend more time preparing. Pulling an all-nighter — going a whole evening without sleep — is the most extreme form of this sacrifice. By providing more time to […]

  8. Natural Sleep Aids

    Wondering if natural sleep aids are safe and effective? Learn about the types of natural sleep aids and how to determine if they are safe to use.

  9. Does Daytime Tiredness Mean You Need More Sleep?

    Excessive daytime sleepiness can occur for different reasons. For many people, feelings of tiredness can be attributed to not getting enough sleep at night, but several sleep disorders can also cause daytime sleepiness. Sleep deficiency and daytime sleepiness may lead to negative outcomes at work or school. People who feel sleepy during the day and […]

  10. What Causes Restless Sleep?

    Our medical review team has recently evaluated this page to ensure accuracy. We will continue to monitor and revise this article as new literature is published on restless sleep. Most people can relate to the experience of restless sleep. Whether it’s tossing and turning or just never settling into deep sleep, you might notice that […]

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