BodiTrak Pressure Mapping System Smart Beds and Seats. BodiTrak pressure mapping systems are a Smart application of our new stretchable and breathable Lycra sensor. The sensor combined with electronics mounted right on the sensing mat makes BodiTrak unique. Better results, much less expensive and easier to use make BodiTrak the clear choice for adding or upgrading your pressure mapping tools. BodiTrak is also the enabling technology for Smart beds and seats that continually monitor the position and interface pressure of a person in bed. It then intelligently adapts the surface to increase comfort and help prevent sleep disruptive breathing or tissue trauma.