Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. November 11, 2025 Add ...

I wore the band consistently, only taking it off to shower, and logged everything I did in the Whoop app for the full 14 days. During this time I went for runs, hit the gym, did infrared-heated ...