Table 3.

PSQI scores for better and poorer sleepers.

Subjects	Better sleepers PSQI	Subjects	Poorer sleepers PSQI
1	1	1	5
2	1	2	5
3	2	3	5
4	2	4	5
5	2	5	5
6	2	6	6
7	2	7	6
8	3	8	6
9	3	9	6
10	3	10	6
11	3	11	7
12	3	12	7
13	4	13	7
14	4	14	8
15	4	15	8
16	4	16	10
Mean	2.69		6.37
SD	1.01		1.41