A digital mindfulness intervention improves sleep efficiency and heart rate variability in healthy adults.

Sci Rep · 2026 · PMC13144521 · PMID 41862627

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showed a trendno p-value reported

Supporting this interpretation, CBI1 scores showed a trend toward returning to baseline at the 4-week follow-up (though not statistically significant), suggesting the elevation was transient.

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did not reach statistical significanceno p-value reported

While the waitlist control group showed improvements in some sleep metrics (e.g., total sleep time and sleep efficiency), these changes did not reach statistical significance.

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