本研究は,乳幼児を持つ勤労女性の夜間の育児による睡眠中断の状況を,携帯用活動量測定器アクチウォッチを用いて計測した活動量および睡眠日誌から検討した。その結果,以下のことが明らかになった。1.睡眠とみなされる時間は著しく少なくはなかったが,睡眠中断が頻回にみられ睡眠効率が悪い。2.育児による睡眠中断の際,彼女らはほとんど無意識でこれらを行っている。3.就労日・休日を問わず,睡眠中断があることによって,十分な休息をとることが困難である。The purpose of this study was to investigate the quality of sleep who have to take care of infants. The subjects were two women who are working in daytime and taking care of infants during nights. Sleep logs and actiwatch activities were evaluated during 3 consecutive nights. The results were as follows 1. Altough time in bed was enough, there are many waking times with low sleep efficiency. 2. They took care of children several times during nights, but they could not remenber all of them in the next morning. 3. Even if in the weekend, they could not take enough sleep time, because of their interrupted sleep
