New WHOOP customer inconsistent HRV spikes

Hi WHOOP team/community,

I’ve noticed occasional random spikes in my HRV data that seem inconsistent with my normal baseline, and I’m wondering if anyone from support could take a deeper look into the raw data for one of these readings.

For context:

  • My HRV is usually very consistent, typically in the high 20s to low 30s.

  • Recently WHOOP recorded a spike to 53 ms, which is significantly higher than my normal range.

  • My Oura Ring data from the same timeframe did not show a similar spike or trend.

  • Outside of this isolated reading, my HRV trends generally remain stable.

I’ve attached screenshots showing:

  • The WHOOP HRV spike/trend

  • My readiness metrics

  • Comparable Oura data

Part of my concern is that I came across another user mentioning that unusual HRV spikes ended up correlating with an irregular heart rhythm. I do have a history of benign electrical conduction abnormalities (bundle branch block / non-dangerous electrical findings), but I do not have any diagnosed history of arrhythmia.

Because of that, I’d really appreciate if someone from WHOOP support could:

  1. Review the underlying sensor data for this specific HRV reading

  2. Determine whether this appears to be:

    • a measurement artifact,

    • poor signal quality/motion issue,

    • or something physiologically meaningful

  3. Advise whether the reading appears trustworthy or anomalous

I understand HRV can fluctuate naturally, but this value stands out enough that it effects my data significantly and possibly inaccurately. I’m a new WHOOP customer and if this is a common artifact or inconsistency I feel this device would lose its value for me.

Has anyone else experienced isolated HRV spikes like this that turned out to be sensor-related rather than physiological or the opposite?

Thanks in advance!