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Published on: 7/14/2026

What are the common causes of insomnia and how can it be treated?

Insomnia is a common sleep disorder that makes it difficult to fall asleep, stay asleep, or get restful sleep. It is often caused by stress, anxiety, poor sleep habits, or underlying medical conditions such as depression, chronic pain, or hormonal imbalances. Treatment options include lifestyle changes, cognitive behavioral therapy (CBT-I), and, in some cases, medication.

Because insomnia can stem from many different causes, identifying the root issue is the most important step toward getting better sleep. Take a free, instant, online symptom check to better understand what may be behind your sleeplessness and get clear guidance on your next steps.

Reviewed for medical accuracy: 07/14/2026

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Explanation

Insomnia is a common sleep problem where people have trouble falling asleep or staying asleep. There are many reasons why someone might have insomnia. It can be due to stress, anxiety, or depression. Sometimes, poor sleep habits like using electronics before bed or having an irregular sleep schedule can cause insomnia. Health problems and even some medicines, can also make it hard to sleep.

To treat insomnia, there are several options:

  1. Lifestyle Changes: This includes going to bed at the same time every night, making the bedroom comfortable and dark, and avoiding caffeine and screens before bedtime.

  2. Cognitive Behavioral Therapy for Insomnia (CBT-I): This is a type of talk therapy that helps change thoughts and behaviors that make it hard to sleep.

  3. Medications: Sometimes, doctors might prescribe medicines to help with sleep, but these are usually used for a short time.

If you or someone you know is struggling with insomnia or related symptoms, take our free AI symptom checker to better understand what might be causing your sleep difficulties and when you should seek professional care.

(References)

  • Sutton EL. (2021). Insomnia. Annals of internal medicine, 33683929.

  • Perlis ML, Posner D, Riemann D, Bastien CH, Teel J, & Thase M. (2022). Insomnia. Lancet (London, England), 36115372.

  • Matheson EM, Brown BD, & DeCastro AO. (2024). Treatment of Chronic Insomnia in Adults. American family physician, 38393799.

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