What does this mean in practice?

If your blood pressure runs a bit high, your sleep habits deserve attention alongside what you eat and how you move.

What should you do next?

If you're sleeping less than 7 hours, try adding 30–60 minutes to your sleep window. Go to bed earlier or wake up later —... For chronic insomnia, CBT-I (cognitive behavioral therapy for insomnia) is evidence-based and drug-free. Apps like Sleepio offer it digitally, or find a sleep specialist... Track your blood pressure at home before and after improving your sleep habits. Seeing the numbers change can motivate you to stick with it.

Sleeping More Could Lower Your Blood Pressure as Much as Cutting Salt

We talk endlessly about diet and exercise for heart health. But what about sleep? A meta-analysis of 12 randomized trials found that behavioral sleep interventions lowered blood pressure by about 5 mmHg. For perspective, that's in the range of common lifestyle changes like meaningfully cutting sodium.

Bottom line: Improving your sleep — especially sleeping longer — can lower blood pressure, based on randomized trial evidence.

What the Research Found

Researchers analyzed 12 randomized controlled trials involving 688 adults with poor sleep health. They tested three behavioral approaches: cognitive behavioral therapy for insomnia (CBT-I), sleep hygiene education, and sleep extension — simply spending more time in bed.

The headline result: systolic blood pressure (the top number in your reading) dropped by about 5 mmHg on average across all interventions. That's meaningful — it's the range where doctors start paying attention.

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