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  1. Seasonal Affective Disorder - National Institute of Mental ...

    Information about seasonal affective disorder (SAD), a type of depression, including signs and symptoms, how SAD is diagnosed, causes, and treatment options.

  2. Seasonal affective disorder (SAD) - Mayo Clinic

    Dec 14, 2021 · If you're like most people with SAD, your symptoms start in the fall and continue into the winter months, sapping your energy and making you feel moody. These symptoms often resolve …

  3. Seasonal Affective Disorder Help in Wisconsin

    Oct 6, 2025 · Seasonal Affective Disorder is a type of depression that follows a seasonal pattern—most commonly appearing in late fall and winter, when sunlight is limited. Symptoms usually improve in …

  4. SAD Definition & Meaning - Merriam-Webster

    The meaning of SAD is affected with or expressive of grief or unhappiness : downcast. How to use sad in a sentence.

  5. Seasonal Affective Disorder (SAD) - Psychiatry.org

    Seasonal affective disorder is a form of depression also known as SAD, seasonal depression or winter depression. In the Diagnostic and Statistical Manual of Mental Disorders (DSM-5-TR), this disorder is …

  6. Seasonal Affective Disorder - What is SAD? | SAMHSA

    Apr 24, 2023 · Seasonal Affective Disorder (SAD) is triggered by changes in seasons. This form of depression usually occurs during the fall and winter months when there is less sunlight, and the days …

  7. SAD | English meaning - Cambridge Dictionary

    SAD definition: 1. unhappy or sorry: 2. If something looks sad, it looks worse than it should because it is not…. Learn more.