Based on the user's sleep efficiency, the bedtime setting unit 14 that sets the user's bedtime and notifies the user of the bedtime, and the execution time setting unit that sets the time before the first predetermined time as the bedtime test execution time from the bedtime 15 and a notification message presentation unit 16 that presents a notification message prompting the user to perform the sleepiness test when the sleepiness test is performed, and the sleepiness test is performed only once a day. The sleepiness test is performed at an appropriate time according to sleep efficiency that suggests the improvement of insomnia, and the burden on the user to perform the sleepiness test is reduced as much as possible. Enable to measure user's sleepiness correctly.ユーザの睡眠効率に基づいて、ユーザの就寝時刻を設定してユーザに通知する就寝時刻設定部１４と、就寝時刻より第１所定時間前の時刻を眠気テストの実施時刻に設定する実施時刻設定部１５と、眠気テストの実施時刻になったときに、眠気テストの実施を促す催告メッセージをユーザに提示する催告メッセージ提示部１６とを備え、眠気テストを１日に１回しか行わなくても、不眠症の改善度を示唆する睡眠効率に応じた適切な時刻に眠気テストが実施されるようにして、ユーザが眠気テストを実施する負担を極力小さくしつつ、不眠症の改善の程度に応じてユーザの眠気を正しく測定できるようにする。
