Not during the past month

Less than once a week

Once or twice a week

Three times or more a week

N (%)

N (%)

N (%)

N (%)

Cannot get to sleep within 30 minutes (n = 266)

135

(50.8)

32

(12.0)

42

(15.8)

57

(21.4)

Wake up in the middle of the night or early morning (n = 264)

116

(43.9)

32

(12.1)

53

(20.1)

63

(23.9)

Have to get up to use the bathroom (n = 265)

46

(17.4)

36

(13.6)

63

(23.8)

120

(45.3)

Cannot breathe comfortably (n = 265)

214

(80.8)

21

(7.9)

11

(4.2)

19

(7.2)

Cough or snore loudly (n = 263)

184

(70.1)

23

(8.7)

23

(8.7)

33

(12.5)

Feel too cold (n = 269)

190

(70.7)

24

(8.9)

24

(8.9)

31

(11.5)

Feel too hot (n = 269)

169

(62.9)

32

(11.9)

34

(12.6)

34

(12.6)

Have bad dreams (n = 268)

189

(70.5)

39

(14.6)

26

(9.7)

14

(5.2)

Have pain (n = 268)

148

(55.2)

34

(12.7)

37

(13.8)

49

(18.3)

Other reasons (n = 256)

249

(97.2)

4

(1.6)

0

(0.0)

3

(1.2)

Using sleep medications

247

(91.5)

4

(1.5)

6

(2.2)

13

(4.8)

Having troubles staying awake while driving, eating meals or engaging in social activities (n = 269)

213

(79.2)

28

(10.4)

11

4.1)

17

(6.3)

How much a problem has it been for you to keep up enthusiasm to get things done (n = 265)

185

(69.8)

32

(12.1)

28

(10.6)

20

(7.5)