Table 4 Sleep patterns

Total sleep (hours)

Mean ± SD

6.90 ± 1.64

6.91 ± 1.51

0.560

Median

6.58

7.09

Interquartile range

1.22

1.15

Sleep Onset Latency (SOL)(minutes)

Mean ± SD

13.07 ± 9.38

13.27 ± 7.97

0.724

Median

13.06

12.2

Interquartile range

11.31

14.54

Wake after sleep onset (WASO) (minutes)

Mean + SD

13.29 ± 10.25

16.41 ± 9.38

0.158

Median

9.56

17.25

Interquartile range

8.94

15.56

Sleep efficiency (%)

Mean ± SD

86.84 ± 5.89

88.29 ± 5.01

0.442

Median

87.34

89.05

Interquartile range

7.51

6.49