Samples

Pre-test

Post-test

Variables

$\overline{X}$

SD

$\overline{X}$

SD

Sleep Time (min)

Total Sample**

460.22

40.844

482.58

60.281

Females*

460.84

33.122

485.55

43.462

Males*

458.71

57.588

475.29

91.935

Efficiency

Total Sample

97.59%

1.713

97.4%

1.722

Females

97.52%

1.738

97.39%

1.621

Males

97.74%

1.723

97.42%

2.034

Wake after sleep onset

Total Sample

12.00

10.108

12.53

9.599

Females

11.43

8.540

13.25

10.011

Males

13.39

13.617

10.77

8.691

# of Awakenings

Total Sample

2.84

1.705

3.03

2.062

Females

2.84

1.703

3.33

2.257

Males

2.83

1.795

2.30

1.289

Average Awakening (min)

Total Sample

3.98

2.336

3.98

1.785

Females

4.02

2.326

3.74

1.611

Males

3.86

2.471

4.57

2.122