Fig. 5. Continuous measurements of pressure and temperature from a healthy subject (30-year-old male, 72 kg, 180 cm) using the wireless-sensing platform at different lying postures, including supine, prone and side-lying positions, respectively.

a–c Photograph and schematic illustration of the subject lying on bed. The red discs highlight the locations of the sensors. d–f IR images of changes in posture of the subject lying on bed with a pillow at different positions. g–i Results from continuous measurements of pressure and temperature from each of the sensors.