0-11 year

(N = 54)

1-2 years

(N = 330)

2-4 years

(N = 880)

Mean (SD)

Mean (SD)

Mean (SD)

Bedtime resistance

22.8 (8.56)

22.8 (7.65)

23.3 (7.71)

Sleep anxiety

17.3 (6.85)

16.1 (7.78)

17.7 (7.59)

Night Walking

13.5 (8.50)

10.7 (6.39)

13.5 (5.71)

Daytime Sleepiness

22.1 (6.34)

22.2 (6.97)

20.7 (6.45)