An analysis apparatus comprising a measuring part for performing measurement for the analysis of a specimen, and a control part for controlling the measuring part and analyzing a detection signal from the measuring part, wherein the control part is provided with a preparatory action setting part that is configured to receive a setting of a user as to whether the control part performs the following first and second controls or the following third control and fourth controls, and is constituted to perform the first and second controls, or the third and fourth controls according to the setting of the preparatory action setting part, the first control is configured to set a sleep-planned part for the first control of the analysis apparatus to a sleep state at a time point t1 when the state of non-use of the analysis apparatus has lasted for a predetermined time length T1, and to cause, at or after the time point t1, performance of a preparatory action for operation resumption by a predetermined part for the first control requiring a preparatory action, wherein the sleep state is a state in which supply of electric power to an electric power consuming part of the sleep-planned part for the first control is stopped, the second control is configured to resume the operation of the analysis apparatus when the control part receives a command signal to resume the operation after the first control, the third control is configured to place a sleep-planned part for the third control of the analysis apparatus in a sleep state at a time point t10 when the state of non-use of the analysis apparatus has lasted for a predetermined time length T10, wherein the sleep state is a state in which supply of electric power to an electric power consuming part of the sleep-planned part for the third control is stopped, and the fourth control is configured to cause, when a command signal to resume the operation is received after the third control, a preparatory action of a predetermined part for the fourth control requiring a preparatory action to resume operation, and then to resume the operation of the analysis apparatus. the control part is provided with a preparatory action setting part that is configured to receive a setting of a user as to whether the control part performs the following first and second controls or the following third control and fourth controls, and is constituted to perform the first and second controls, or the third and fourth controls according to the setting of the preparatory action setting part, the first control is configured to set a sleep-planned part for the first control of the analysis apparatus to a sleep state at a time point t1 when the state of non-use of the analysis apparatus has lasted for a predetermined time length T1, and to cause, at or after the time point t1, performance of a preparatory action for operation resumption by a predetermined part for the first control requiring a preparatory action, wherein the sleep state is a state in which supply of electric power to an electric power consuming part of the sleep-planned part for the first control is stopped, the second control is configured to resume the operation of the analysis apparatus when the control part receives a command signal to resume the operation after the first control, the third control is configured to place a sleep-planned part for the third control of the analysis apparatus in a sleep state at a time point t10 when the state of non-use of the analysis apparatus has lasted for a predetermined time length T10, wherein the sleep state is a state in which supply of electric power to an electric power consuming part of the sleep-planned part for the third control is stopped, and the fourth control is configured to cause, when a command signal to resume the operation is received after the third control, a preparatory action of a predetermined part for the fourth control requiring a preparatory action to resume operation, and then to resume the operation of the analysis apparatus.