Objectives: To determine the range of sleep behaviour of normal childr
en to age 38 months and to ascertain the level of parents' problems as
sociated with their child's sleep behaviour. Design and setting: A cro
ss-sectional survey by questionnaire of parents presenting with their
children for routine well-child checks at child health centres, mobile
clinics, flying doctor clinics and home visits throughout Queensland.
Of 3383 questionnaires distributed 3269 (96.5%) were returned. Main o
utcome measures: 1. Steep frequency and duration, settling procedures,
time taken to settle at night, age when child first slept through the
night and number of night-time wakenings requiring parental intervent
ion. 2. Parents' problems with their child's sleep behaviour. Results:
There is a wide range of normal childhood sleep behaviour. Circadian
rhythm is not well established until four months of age. Daytime sleep
becomes less regular with increasing age. Frequent nighttime wakening
is common from four to 12 months. Night-time settling requires more p
arental input from 18 months. A large proportion of parents (28.6%) ha
ve a problem with their child's sleep behaviour. Conclusions: Parents
require information from health care providers about the wide range of
normal childhood sleep patterns. This information can help prevent mi
sdiagnosis, inappropriate medication use, child abuse and parental dep
ression when children's sleep patterns are a problem.