Skip to main content

Table 3 Comparison of sleep habits between the poor mental health and control groups

From: Mental health and sleep habits/problems in children aged 3–4 years: a population study

Sleep habits

Poor mental health group

n = 76

Control group

n = 339

pa

Total sleep time (minutes)

Mean ± SD

Mean ± SD

 

  Weekdays

626.9 ± 85.1

635.7 ± 57.6

0.801

  Weekends

632.2 ± 87.6

636.5 ± 60.2

0.629

Bedtime (hours: minutes)

  Weekdays

20:59 ± 0:41

21:01 ± 0:38

0.882

  Weekends

21:15 ± 0:46

21:16 ± 0:43

0.930

Wake time (hours: minutes)

  Weekdays

7:02 ± 0:35

6:57 ± 0:35

0.373

  Weekends

7:36 ± 0:47

7:30 ± 0:46

0.218

Nap

  Frequency (days/week)

4.2 ± 2.4

4.3 ± 2.4

0.827

  Duration (minutes)

85.6 ± 34.2

86.9 ± 34.5

0.595

  1. SD, standard deviation
  2. aMann-Whitney U test, p < 0.05