Percent of university and college students who did educational activities, by hour of day on weekdays Percent Full-time students Part-time students 4 to 5 a.m. 0.6 0.6 5 to 6 a.m. 1.5 0.6 6 to 7 a.m. 3.3 1.1 7 to 8 a.m. 11.9 3.7 8 to 9 a.m. 24.0 6.2 9 to 10 a.m. 33.1 8.6 10 to 11 a.m. 34.7 10.7 11 a.m. to noon 33.9 11.0 noon to 1 p.m. 29.8 10.8 1 to 2 p.m. 29.4 11.0 2 to 3 p.m. 26.7 8.4 3 to 4 p.m. 24.4 7.3 4 to 5 p.m. 21.0 7.7 5 to 6 p.m. 20.4 10.9 6 to 7 p.m. 20.8 15.6 7 to 8 p.m. 21.4 15.3 8 to 9 p.m. 19.8 15.5 9 to 10 p.m. 19.2 12.2 10 to 11 p.m. 13.0 6.0 11 p.m. to midnight 9.1 3.2 midnight to 1 a.m. 6.2 2.2 1 to 2 a.m. 2.8 1.8 2 to 3 a.m. 1.3 0.2 3 to 4 a.m. 0.7 0.1 NOTE: Data include individuals, ages 15 to 49, who were enrolled at a university or college. Data include non-holiday weekdays and are an average for 2003-06.