A sleep position determination device according to an embodiment of the present disclosure is provided with a receiver that receives a measurement result obtained by measuring a subject using a contactless sensor, an extraction circuit that extracts a respiration signal of the subject from the measurement result, memory that stores reference information related to a level of the respiration signal, and a determination circuit that determines a sleep position of the subject on a basis of a comparison between the level of the respiration signal of the subject and the reference information.
SLEEP POSITION DETERMINATION DEVICE USING CONTACTLESS SENSOR, SLEEP POSITION DETERMINATION METHOD, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM FOR DETERMINING SLEEP POSITION