上海充通大学 SHANGHAI JIAO TONG UNIVERSIT ACIE Group 7 During milk drinking test(from Apr 7 to Apr 14),the participant Sun recorded his sleep quality,mental state after drinking milk before bed, and the volume of mile was recorded at the same time. 4.Results 4.1.Questionnaires 4.1.1.Biorhythm (1)As we can see in Fig.4,That large proportion of students tend to have different sleep time for weekdays and weekends,more than one third tend to go to bed later in weekends.Besides,nearly 70%of students tend to wake up later in the weekends 100% 100% 80% 80% 68.18% 60% 56.82% 60% 40% 38.64% 40% 29.55% 20% 20% 4,55% 227% 周末入时间晚 差不多 局末入时间早 周末起床时间晚 差不多 周未起床时间早 Fig.4 Sleep time and awake time for weekdays and weekends (2)As we can see in Fig.5,the distribution of sleep time,nearly half of the students have the late-to-bed-early-to-get-up pattern, early-to-bed-early-to-get-up and late-to-bed-late-to-get-up pattern both take up about a quarter. 早睡晚起，4.55% 早睡早起，25% 晚睡早起，45.45% 晚睡晚起，25% Fig.5 The pattern of sleep and wake style. (3)As for the nap habits shown in Fig.6,more than half of the students have a noon nap,relatively small proportion of students have the pattern of no nap and nap at any time,only a few students will have multi-nap. -10-ACIE Group 7 - 10 - During milk drinking test(from Apr 7 to Apr 14), the participant Sun recorded his sleep quality, mental state after drinking milk before bed, and the volume of mile was recorded at the same time. 4.Results 4.1. Questionnaires 4.1.1. Biorhythm (1)As we can see in Fig.4,That large proportion of students tend to have different sleep time for weekdays and weekends, more than one third tend to go to bed later in weekends. Besides, nearly 70% of students tend to wake up later in the weekends. Fig.4 Sleep time and awake time for weekdays and weekends (2) As we can see in Fig.5, the distribution of sleep time, nearly half of the students have the late-to-bed-early-to-get-up pattern, early-to-bed-early-to-get-up and late-to-bed-late-to-get-up pattern both take up about a quarter. Fig.5 The pattern of sleep and wake style. (3)As for the nap habits shown in Fig.6, more than half of the students have a noon nap, relatively small proportion of students have the pattern of no nap and nap at any time, only a few students will have multi-nap