A cognitive impairment determination device (100a) in this cognitive impairment information output system (10) includes: an acquisition unit (120) that acquires, per unit time period, measurement results of body movement of a user during sleeping hours; and an output unit (160) that outputs cognitive impairment information that indicates the possibility that the user has mild cognitive impairment, or the like, on the basis of the occurrence frequency of unit time periods in which the magnitude of the difference between reference data relating to body movement of healthy individuals during sleeping hours and the measurement results acquired by the acquisition unit (120) exceeds a predetermined threshold value.
COGNITIVE IMPAIRMENT INFORMATION OUTPUT SYSTEM AND CONTROL PROGRAM