Sphygmomanometer, blood pressure measurement method, and computer-readable recording medium

A blood pressure measurement method performed in a nighttime blood pressure measurement mode for automatically starting blood pressure measurement according to a predetermined schedule, wherein

• the schedule includes a first type schedule in which blood pressure measurement is started at a predetermined time and a second type schedule in which blood pressure measurement is started at a predetermined time interval from a designated time, the blood pressure measurement method comprising:
• setting the first type schedule and the second type schedule, and
• disabling one of first blood pressure measurement scheduled based on the first type schedule and second blood pressure measurement scheduled based on the second type schedule or changing one of a start time of the first blood pressure measurement and a start time of the second blood pressure measurement to provide idle time between the first blood pressure measurement and the second blood pressure measurement in a case where a time zone of the first blood pressure measurement and a time zone of the second blood pressure measurement at least partially overlap with each other or in a case where a time difference between the time zone of the first blood pressure measurement and the time zone of the second blood pressure measurement is equal to or less than a predetermined value.