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Published on: 7/21/2026

Are sleep disorders linked to heart disease or stroke?

Yoshinori Abe

Reviewed by Yoshinori Abe, MD

Internal Medicine

Sleep disorders are strongly linked to an increased risk of heart disease and stroke. Conditions like obstructive sleep apnea, chronic insomnia, and restless legs syndrome can raise blood pressure, trigger irregular heart rhythms, and promote inflammation—all key contributors to cardiovascular events.

Key connections include:

  • Sleep apnea: Repeated breathing interruptions strain the heart and reduce oxygen levels.
  • Insomnia: Poor sleep quality is tied to hypertension and higher stroke risk.
  • Sleep deprivation: Less than 6 hours nightly is associated with atherosclerosis and heart attack.

Treating sleep disorders early can significantly lower your risk of serious cardiovascular complications.

If you're experiencing symptoms like snoring, daytime fatigue, chest discomfort, or trouble sleeping, don't wait to find answers. Understanding what's driving your symptoms is the first step toward protecting your heart and long-term health. Take a free, instant, online symptom check to get personalized insights into possible causes and clear guidance on your next steps—it only takes a few minutes and could make a meaningful difference.

Reviewed for medical accuracy: 07/20/2026

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Important Next Steps

Learn if sleep disorders raise heart riskDiscover if your sleep issues need careFind out what causes your sleep problemsSee OTC options for better sleepFind a doctor for sleep disordersExplore medically proven home remedies for sleepCheck if poor sleep signals heart disease

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Explanation

Sleep disorders, like not being able to sleep well at night, can make it more likely for someone to have heart problems or even a stroke.

How Sleep Affects the Heart

  • Heart Disease: When people don't get enough sleep, it can make their hearts work too hard. This can lead to heart disease over time.
  • Stroke: If someone has trouble sleeping, it can also make it more likely for them to have a stroke. A stroke happens when blood doesn't get to the brain like it should.

Why Sleep Matters

  • Rest and Repair: Sleep is important because it helps our bodies rest and fix themselves. If we don't get enough sleep, our bodies don't get the chance to heal.
  • Keeping Healthy: Getting enough sleep helps keep our hearts healthy. It's just as important as eating good food and exercising.

Remember, if you have trouble sleeping, it's a good idea to use Ubie's free AI symptom checker to better understand your symptoms and talk to a doctor about it. Getting the right amount of sleep can help keep your heart and body healthy.

(References)

  • Miller MA, & Howarth NE. (2023). Sleep and cardiovascular disease. Emerging topics in life sciences, 38084859.

  • Grandner MA, Jackson NJ, Pak VM, & Gehrman PR. (2012). Sleep disturbance is associated with cardiovascular ... - PubMed. Journal of sleep research, 22151079.

  • Sarode R, & Nikam PP. (2023). The Impact of Sleep Disorders on Cardiovascular Health. Cureus, 38161933.

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