HRV

Clinical trials for HRV explained in plain language.

Never miss a new study

Get alerted when new HRV trials appear

Sign up with your email to follow new studies for HRV, keep track of the ones that matter, and come back to a personal dashboard instead of checking manually.

Our safety recommendation!

By submitting, you agree to our Terms of use

Not yet recruiting 1 Completed 1

Apple watches reveal surprising effects of air purifiers on your body

Knowledge-focused Completed

This study tested whether using an indoor air purifier changes health measures like heart rate, sleep, and oxygen levels. 42 healthy adults wore Apple Watches while using a real or fake (sham) air purifier at home. The goal was to see if cleaner air makes a short-term difference …

Matched conditions: HRV

Phase: NA • Sponsor: New York University Abu Dhabi • Aim: Knowledge-focused

Last updated Jun 10, 2026 13:26 UTC

HRV

Get alerted when new HRV trials appear

Apple watches reveal surprising effects of air purifiers on your body