CONTACT-FREE SLEEP SENSOR WITH HEART-RATE-VARIABILITY (HRV) Under mattress ballistocardiography based sensor with cloud analysis provide the most comprehensive data. No charging or user effort. Unbeatable durability with use time 5 – 10 years. SLEEP AND RECOVERY TRACKING FOR PERSONAL WELLNESS READ MORE BED OCCUPANCY AND EXIT MONITORING FOR ELDERLY CARE READ MORE REMOTE CLINICAL RESEARCH READ MORE