Sleeping hours/night

Intervention (n = 74)

Control (n = 69)

χ² Test

p-value

Pre

Post

n

%

n

%

n

%

≤8 hrs

65

87.8

58

78.4

49

71.0

6.251

0.019^*

>8 hrs

9

12.2

16

21.6

20

29.0