Table 2 Sleep pattern of the respondents

Subjective Sleep Quality

 Very Good

262

52.4

 Fairly Good

215

43.0

 Fairly Bad

5

1.0

 Very Bad

18

3.6

Sleep Latency

 < 15 min(very good)

254

50.8

 16–36 min(good)

136

27.2

 31–60 min (fairly bad)

78

15.6

 >160 min(bad)

32

6.4

Sleep Duration

 > 7 h

255

51.0

 6–7 h

126

25.2

 5–6 h

89

17.8

 < 5 h

30

6.0

Sleep Efficiency (%)

 > 85%

332

66.4

 74–84%

66

13.2

 65–74%

44

8.8

 < 65%

58

11.6

Sleep Disturbance

 0 (No disturbance)

92

18.4

 1–9 (mild disturbance)

280

56.0

 10–18 (moderate disturbance)

113

22.6

 19–27 (severe disturbance)

15

3.0

Use of sleep medication

 Not during the past month

419

83.8

 Less than once a week

29

5.8

 Three or more times a week

52

10.4

Daytime Dysfunction

 0 (No)

271

54.2

 1–2 (Mild)

119

23.8

 3–4 (Moderate)

100

20.0

 5–6 (Severe)

10

2.0