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Table 3 Frequency of different sleep hygiene practices among Tanta university students in relation to gender

From: Sleep hygiene practices and sleep quality among medical students in Egypt: a cross-sectional study

Items of Sleep Hygiene Index

Male (n = 277)

Female (n = 227)

Total (n = 504)

X2

P

n

%

n

%

n

%

Take daytime naps for two or more hours.

      

4.898

0.086

 Never/rarely

110

39.7

73

32.2

183

36.3

  

 Sometimes

103

37.2

106

46.7

209

41.5

  

 Frequently/always

64

23.1

48

21.1

112

22.2

  

Go to bed at different times from day to day.

      

6.025

0.049*

 Never/rarely

87

31.4

51

22.5

138

27.4

  

 Sometimes

84

30.3

87

38.3

171

33.9

  

 Frequently/always

106

38.3

89

39.2

195

38.7

  

Get out of bed at different times from day to day.

      

2.687

0.261

 Never/rarely

76

27.4

62

27.3

138

27.4

  

 Sometimes

105

37.9

72

31.7

177

35.1

  

 Frequently/always

96

34.7

93

41.0

189

37.5

  

Exercise to the point of sweating within one hour of going to bed.

      

15.712

< 0.001*

 Never/rarely

165

59.6

172

75.8

337

66.9

  

 Sometimes

62

22.3

35

15.4

97

19.2

  

 Frequently/always

50

18.1

20

8.8

70

13.9

  

Stay in bed longer than I should two or three times a week.

      

3.108

0.211

 Never/rarely

83

30.0

69

30.4

152

30.2

  

 Sometimes

88

31.8

57

25.1

145

28.7

  

 Frequently/always

106

38.2

101

44.5

207

41.1

  

Use tobacco, or caffeine within 4 h of going to bed or after going to bed.

      

4.486

0.106

 Never/rarely

163

58.8

143

63.0

306

60.7

  

 Sometimes

59

21.3

32

14.1

91

18.1

  

 Frequently/always

55

19.9

52

22.9

107

21.2

  

Do something that may wake me up before bedtime

      

2.615

0.270

 Never/rarely

46

16.6

50

22.0

96

19.0

  

 Sometimes

89

32.1

64

28.2

153

30.4

  

 Frequently/always

142

51.3

113

49.8

255

50.6

  

Go to bed feeling stressed, angry, upset, or nervous.

      

5.098

0.078

 Never/rarely

87

31.4

51

22.5

138

27.4

  

 Sometimes

100

36.1

90

39.6

190

37.7

  

 Frequently/always

90

32.5

86

37.9

176

34.9

  

Use bed for things other than sleeping

      

1.062

0.588

 Never/rarely

46

16.6

36

15.8

82

16.3

  

 Sometimes

72

26.0

51

22.5

123

24.4

  

 Frequently/always

159

57.4

140

61.7

299

59.3

  

Sleep on an uncomfortable bed

      

12.253

0.002*

 Never/rarely

181

65.3

180

79.3

361

71.6

  

 Sometimes

62

22.4

28

12.3

90

17.9

  

 Frequently/always

34

12.3

19

8.4

53

10.5

  

Sleep in an uncomfortable bedroom

      

4.400

0.111

 Never/rarely

181

65.3

168

74.0

349

69.2

  

 Sometimes

57

20.6

35

15.4

92

18.3

  

 Frequently/always

39

14.1

24

10.6

63

12.5

  

Do important work before bedtime

      

1.694

0.429

 Never/rarely

40

14.4

24

10.6

64

12.7

  

 Sometimes

91

32.9

77

33.9

168

33.3

  

 Frequently/always

146

52.7

126

55.5

272

54.0

  

Think, plan, or worry when in bed.

      

11.773

0.003*

 Never/rarely

48

17.3

17

7.4

65

12.9

  

 Sometimes

79

28.5

63

27.8

142

28.2

  

 Frequently/always

150

54.2

147

64.8

297

58.9

  
  1. * Significant