Variables

Number (N = 119)

Percentage

Subjective sleep quality (pregnant women reported)

Very good

9

7.6

Quite good

88

73.9

Quite bad

21

17.6

Very bad

1

0.8

Sleep latency―the time fall asleep (minutes)

≤15

32

26.9

>15 and ≤30

41

35.4

>30 and ≤60

29

24.4

>60

17

14.3

Mean ± SD: 25.25 ± 20.51

Sleep duration (hours per night)

≥7

90

75.6

<7 and ≥6

20

16.8

<6 and ≥5

7

5.9

<5

2

1.7

Mean ± SD: 6.99 ± 0.93

Habitual sleep efficiency (the time asleep over the total time in bed)

Very high (≥85%)

84

70.6

Quite high (75% - 84%)

21

17.6

Quite low (65% - 74%)

12

10.1

Very low (≤64%)

2

1.7

Mean ± SD: 89.84 ± 12.46

Sleep disturbance (trouble sleep)

No time a week

0

0

Less than once a week

71

59.7

Once or twice a week

48

40.3

Three or more times a week

0

1.7

Use of sleep medications