Could This Be The World's Most POWERFUL Self-Quantification Device?! (& Is It Even *Safe* Or *Accurate*?) With Whoop's Will Ahmed
Ben Greenfield
Sep 20, 2025
Mindsip insights from this episode:
Monitor high HRV for potential AFib indication
An unusually high heart rate variability (HRV) reading, like jumping from 50ms to 200ms, can be a sign of Atrial Fibrillation (AFib) rather than excellent recovery.
Inform Whoop AI coach about your supplement stack for better health insights
You can now tell the Whoop AI coach, which uses OpenAI, about your supplement stack, and it will remember this information to correlate with your health data.
Limit sleep to improve Health Span score
Getting more than nine hours of sleep consistently can negatively impact your Health Span score, as it may indicate an underlying chronic issue.
Upload past blood tests for AI analysis and correlation with wearable data
You will be able to upload all your past blood test data, even as PDFs or photos, for the Whoop AI to analyze and correlate with your wearable data.
Obtain daily cuffless blood pressure estimates with Whoop MG
The Whoop MG can provide daily blood pressure estimates from your wrist after a one-time calibration with a traditional cuff.
Utilize HRV to predict childbirth timing
A study on pregnant women found that HRV steadily declines during pregnancy and then spikes seven weeks before delivery, a phenomenon that can help predict early deliveries.
Calculate your physiological age using health metrics
The "Health Span" feature, developed with the Buck Institute, calculates your physiological age based on nine metrics including sleep, strain, and fitness.
Measure HRV during deep sleep for optimal recovery
Whoop calculates your recovery HRV from the last five minutes of your slow-wave sleep, which is a controlled state when your body is most restorative.
Avoid exercise within four hours of bedtime to improve sleep
Data from 4 million nights of sleep shows that exercising within four hours of bedtime disrupts sleep, with the effect worsening the closer the workout is to sleep.
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