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Trusted by Scientists since 2019.Scientist Trusted
Recommended to their patients by doctors.Doctor Recommended

Desktop Browser Required

The HRV Lab needs Bluetooth to connect to your heart rate monitor. Please open this page in Chrome, Edge, or Bluefy on a tablet or computer.

Heart Rate Monitor

Connect your Bluetooth chest strap to get started

HR Monitor
00:00
--
BPM
--
RMSSD ms
Vagal tone
Connect your Vagal stimulator
Pair via Bluetooth
Vagal Buddy --
Target
800
uA
Delivered
--
uA
Session --:--

Session Results

Harv will show your stimulation results here

--:-- session
-- beats
BeforeDuringAfter
RMSSD------
Heart rate------
Vagal tone------
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Harv
HRV experiment guide
Connecting to Harv...