Table 1.

Time going to bed among university students

Go to bed at	Frequency	Percentage
8 pm	3	0.2
9 pm	17	0.8
10 pm	187	8.5
11 pm	682	31.1
12 am	721	32.8
1 am	374	17.0
2 am	157	7.1
3 am	40	1.8
4 am	7	0.3
5 am	6	0.3