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  1. Insomnia - Symptoms and causes - Mayo Clinic

    Jan 16, 2024 · Insomnia may be the main problem or it may be related to other conditions. Long-term insomnia is usually due to stress, life events or habits that disrupt sleep.

  2. Can't Sleep? Causes and What to Do - Healthline

    Apr 24, 2025 · What causes sleeping difficulties in adults? There are many possible reasons for sleeplessness, including your sleeping habits, lifestyle choices, and medical conditions.

  3. Insomnia - Wikipedia

    Insomnia, also known as sleeplessness, is a sleep disorder causing difficulty falling asleep or staying asleep for as long as desired. [1][9][11] Insomnia is typically followed by daytime …

  4. Insomnia: What It Is, Causes, Symptoms & Treatment

    Insomnia is when you aren’t sleeping as you should. That can mean you aren’t sleeping enough, you aren’t sleeping well or you’re having trouble falling or staying asleep. For some people, …

  5. Insomnia: Symptoms, Causes, and Treatments - Sleep Foundation

    Jul 4, 2025 · Insomnia is defined as difficulty either falling or staying asleep that is accompanied by daytime impairments. Nighttime insomnia symptoms can include trouble sleeping and early …

  6. Insomnia: Symptoms, Causes, Diagnosis, and Treatment

    Sep 3, 2025 · Insomnia is an inability to get enough sleep. Symptoms can include difficulty falling asleep, difficulty staying asleep, or waking earlier than desired. People with insomnia often …

  7. Insomnia - Kaiser Permanente

    People with insomnia may have trouble falling asleep, staying asleep, or they may wake up too early and have trouble falling back to sleep. They may feel tired when they wake up. And they …

  8. Insomnia - MedlinePlus

    Sep 13, 2024 · Insomnia can be acute (short-term) or chronic (ongoing). Acute insomnia is common. Common causes include stress at work, family pressures, or a traumatic event. It …

  9. Insomnia: Causes, Symptoms, What to Do When You Can't Sleep

    Aug 15, 2025 · Insomnia is the inability to fall asleep or stay asleep at night, resulting in unrefreshing or non-restorative sleep. And it’s a very common problem, one that takes a toll on …

  10. Insomnia - Penn Medicine

    May 4, 2024 · Insomnia is trouble falling asleep, staying asleep (usually through the night), or waking up too early in the morning. Episodes of insomnia may come and go or be long-lasting. …