Abstract: The present invention relates to a biorhythm improvement method and system, and the method according to the present invention comprises the steps of: receiving a user biorhythm parameter; generating a user behavior guide on the basis of the user biorhythm parameter; displaying the user behavior guide on the screen of a user terminal; acquiring user behavior performance results for each user behavior item included in the user behavior guide; acquiring user sleep information; and analyzing the user behavior performance results and the user sleep information acquired during a predetermined period so as to calculate a sleep disorder correlation for each of the user behavior items. According to the present invention, a user biorhythm can be improved, and sleep disorders can be alleviated.

Abstract: The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.

Abstract: The present invention relates to a lighting device and a control method therefor. The lighting device according to the present invention comprises: a light source unit comprising one or more light emitting elements; a first body to which the light source unit is mounted; a second body; a sensor unit for sensing at least one of a relative posture and a relative position of the first body to the second body; and a control unit for controlling the light emitting operation of the light source unit on the basis of at least one of the relative posture and the relative position of the first body.