Silicon Valley is always optimizing. We’ve heard about intermittent fasting, cryotherapy and microdosing, but the fix-it-before-it-breaks mindset also extends to workout recovery. Sports medicine experts maintain that recuperating after strenuous exercise is essential for preventing injuries and soreness. A focus on recovery can also help muscles rebuild and repair after exertion. But how can you pack an hour of stretching into the few minutes between pickleball, eFoiling and the next Zoom meeting? We checked in with tech entrepreneurs and investors to find out the products they’re using to recuperate after workouts. The hottest (and coldest) recovery tools among the Silicon Valley set include sleep tracking devices, power rollers and torture chambers—er, ice baths.