![Been using Whoop & Sleepscore simultaneously. The differences are extreme. Last night for instance... REM sleep: 2 hrs vs 24 min. Awake time: 27 min vs 4 hrs. Quality: 96% vs 54%. Been using Whoop & Sleepscore simultaneously. The differences are extreme. Last night for instance... REM sleep: 2 hrs vs 24 min. Awake time: 27 min vs 4 hrs. Quality: 96% vs 54%.](https://i.redd.it/dr4p2rettxia1.jpg)
Been using Whoop & Sleepscore simultaneously. The differences are extreme. Last night for instance... REM sleep: 2 hrs vs 24 min. Awake time: 27 min vs 4 hrs. Quality: 96% vs 54%.
![Whoop Strap 3.0 review: A great fitness tracker for high performers and serious exercise fans - CNET Whoop Strap 3.0 review: A great fitness tracker for high performers and serious exercise fans - CNET](https://www.cnet.com/a/img/resize/c37b881e774f3f47caeea2b325a43edc39124113/hub/2020/02/10/395928a3-c3a8-4bf0-bf1e-49128e936b06/whoop-strap-3-0-app.jpg?auto=webp&width=1200)
Whoop Strap 3.0 review: A great fitness tracker for high performers and serious exercise fans - CNET
![WHOOP 4.0 With 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate Tracking – Improve Sleep, Strain, Recovery, Wellness : Amazon.co.uk: Sports & Outdoors WHOOP 4.0 With 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate Tracking – Improve Sleep, Strain, Recovery, Wellness : Amazon.co.uk: Sports & Outdoors](https://m.media-amazon.com/images/I/71h8vhv8pDL._AC_UF350,350_QL80_.jpg)