Table 4 Comparison of sleep quality and its component between study groups

Sleep efficiency

 Before intervention

1.28 ± 1.04

1.67 ± 1.02

-

 Immediately after the intervention

0.57 ± 0.38

1.53 ± 1.07

0.001

 One month after the intervention

0.58 ± 0.28

1.67 ± 0.98

 < 0.001

 p-value **

 < 0.001

0.17

Subjective sleep quality

 Before intervention

1.57 ± 0.74

1.39 ± 0.56

-

 Immediately after the intervention

0.82 ± 0.54

1.3 ± 0.55

0.001

 One month after the intervention

0.81 ± 0.56

1.28 ± 0.46

0.008

 p-value **

 < 0.001

0.27

Sleep latency

 Before intervention

2.32 ± 0.72

1.92 ± 0.6

-

 Immediately after the intervention

0.96 ± 0.69

1.85 ± 0.44

 < 0.001

 One month after the intervention

1 ± 0.72

1.82 ± 0.54

 < 0.001

 p-value **

 < 0.001

0.55

Sleep duration

 Before the intervention

1.85 ± 0.89

2.14 ± 0.59

-

 Immediately after the intervention

1 ± 0.81

2.14 ± 0.63

 < 0.001

 One month after the intervention

0.96 ± 0.79

2.03 ± 0.65

 < 0.001

 p-value **

 < 0.001

0.16

Sleep disturbances

 Before intervention

1.57 ± 0.5

1.25 ± 0.44

1.25 ± 0.44

 Immediately after the intervention

1.14 ± 0.35

1.25 ± 0.44

1.25 ± 0.44

 One month after the intervention

1 ± 0.27

1.25 ± 0.44

1.25 ± 0.44

 p-value **

 < 0.001

 > 0.05

 > 0.05

Day time dysfunction

 Before intervention

1.07 ± 0.71

0.64 ± 0.48

-

 Immediately after the intervention

0.28 ± 0.46

0.63 ± 0.47

0.008

 One month after the intervention

0.27 ± 0.45

0.57 ± 0.5

0.03

 p-value **

 < 0.001

 > 0.05

Overall sleep quality score

 Before intervention

10.21 ± 3.03

9.03 ± 2.2

-

 Immediately after the intervention

4.7 ± 2.45

8.7 ± 2.19

 < 0.001

 One month after the intervention

4.69 ± 2.4

8.7 ± 1.8

 < 0.001

 p-value **

 < 0.001

0.35