Sale! Free WHOOP 4.0 Health and Fitness Wearable Band and Tracker $125.00 $0.00 WHOOP APP & WRISTBAND Get real-time feedback on your Sleep, Training, Recovery, and Health, plus in-app coaching features to help you optimize performance. SLEEP BETTER WHOOP monitors your sleep cycles, debt, performance, and quality, to help you know how much sleep you need every night. TRAIN SMARTER WHOOP measures and accumulates your training activities and daily effort with a Strain score that helps you understand when to rest or push. RECOVER FASTER WHOOP analyzes your key metrics like HRV and resting heart rate to determine a daily recovery score, and shows you how specific lifestyle and training behaviors affect Recovery. NEW! FEEL HEALTHIER WHOOP now measures your blood oxygen levels, skin temperature, heart rate, and more, so you can see when you’re making progress, or when something’s off your baseline. Learn More