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Five years from now, monitoring your brain health passively and continuously will seem as normal as tracking your heart rate.—Alex Knapp, Forbes.com, 18 May 2026 Participants wore health tracking devices for researchers to monitor their heart rate and heart rate variability (HRV) overnight.—Jennifer Klump, Verywell Health, 18 May 2026 Those receptors constantly monitor changes in blood flow and send signals to the brain, which then adjusts heart rate and blood vessel tension.—Aamir Khollam, Interesting Engineering, 15 May 2026 Lauryn's baby's heart rate was dropping and Lauryn's waters broke during a cervical examination.—Gina Kalsi, PEOPLE, 13 May 2026 See All Example Sentences for heart rate