How they respond mid-night call

Wakeup time

Sleep hours

Sleep quality

DTS

Mental health

Respond it soon

7.27 ± 0.45

7.07 ± 1.02

1.91 ± 0.32

14.90 ± 3.74

12.07 ± 2.20

(100)

(99)

(89)

(104)

(101)

Check it

7.21 ± 0.48

6.79 ± 1.02

1.95 ± 0.25

14.62 ± 3.23

12.14 ± 2.30

(205)

(205)

(174)

(200)

(205)

No attention

7.09 ± 0.50

6.95 ± 1.11

1.86 ± 0.39

16.22 ± 3.76

12.35 ± 2.31

(227)

(226)

(200)

(227)

(230)

Total

7.17 ± 0.49

6.91 ± 1.06

1.90 ± 0.33

15.36 ± 3.64

12.22 ± 2.28

(537)

(530)

(436)

(529)

(536)

Kruskal-Wallis test

Wakeup time

Sleep hours

Sleep quality

DTS

Mental health

χ²-value

12.968

6.119

2.031

21.796

2.314

df

2

2

2

2

2

p value

0.002**

0.045*

0.362

<0.001***

0.314