The PERFECT GIFT for that active person in your life who wants to hack their life. DM with questions. WHOOP® is a wearable health & fitness coach that keeps track of everything from your sleep patterns to your exercise habits to not just track what you did, but tells you what to do next. WHOOP coaches you through your day with recommendations based on your unique physiology, whether that’s recommending when to go to bed or how much exertion you should take on to meet your fitness goals.