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  1. Drowsiness: Causes, Treatments, and Prevention - Healthline

    Oct 22, 2025 · Feeling abnormally sleepy or tired during the day is commonly known as drowsiness. Learn more about the causes and treatments of drowsiness.

  2. Somnolence (Drowsiness): What It Is, Causes & Treatment

    Jan 31, 2025 · Somnolence, or drowsiness, is when you want to fall asleep. It can be a symptom of an underlying condition or a medication side effect.

  3. Drowsiness: Causes, treatment, and more - Medical News Today

    Nov 6, 2024 · Drowsiness refers to feeling excessively tired or sleepy, especially at times when a person would not usually need to sleep. There are several reasons that a person may feel …

  4. Drowsiness Causes: Excessive Daytime Sleepiness Explained

    Oct 31, 2022 · Drowsiness, also called “excess sleepiness” or “somnolence,” can be accompanied by lethargy, weakness, and lack of mental agility. While most people feel drowsy …

  5. Drowsiness: MedlinePlus Medical Encyclopedia

    Jul 8, 2023 · Drowsiness refers to feeling more sleepy than normal during the day. People who are drowsy may fall asleep when they do not want to or at times which can lead to safety …

  6. What Causes Excessive Sleepiness? - Sleep Foundation

    Oct 21, 2025 · Excessive sleepiness or drowsiness refers to the urge or tendency to fall asleep when you are required to be awake, especially during daytime hours. When you feel …

  7. Somnolence - Wikipedia

    Somnolence (alternatively sleepiness or drowsiness) is a state of strong desire for sleep, or sleeping for unusually long periods (compare hypersomnia). It has distinct meanings and causes.

  8. Understanding Drowsiness: Causes and Treatment Options

    This comprehensive guide explores the various aspects of drowsiness, including its common causes, how it differs from normal fatigue, and effective ways to address this condition. …

  9. Somnolence: What Is It, Causes, Treatment, and More | Osmosis

    Feb 4, 2025 · Somnolence, defined as a state of drowsiness or strong desire to fall asleep, may be characterized as either a benign symptom, such as a state of drowsiness prior to falling …

  10. Daytime Drowsiness - Harvard Health

    Daytime drowsiness is a common symptom and most often related to not getting enough sleep. When drowsiness occurs most of the time or causes a person to fall asleep at inappropriate …