Table 1.

Rates of Sleep Problems by Latent Class

Sleep Item	Good Sleep (n=71)	WASO Problems (n=39)	Bedtime Problems (n=63)	Poor Sleep (n=45)
Trouble falling asleep (ECI)	21%	16%	90%	100%
Resists going to bed (CBCL)	18%	33%	71%	84%
Trouble getting to sleep (CBCL)	4%	0%	63%	86%
Crawls into parents’ bed (ECI)	44%	95%	59%	100%
Doesn’t want to sleep alone (CBCL)	15%	74%	54%	100%
Wets bed at night (ECI)	14%	52%	49%	46%
Wakes up crying in middle of night (ECI)	12%	56%	40%	83%
Talks or cries out in sleep (CBCL)	9%	44%	31%	51%
Wakes up much earlier than usual (ECI)	20%	28%	44%	66%
Overtired (CBCL)	2%	0%	26%	29%
Nightmares (CBCL)	3%	31%	22%	59%
Sleeps less than most children (CBCL)	0%	4%	20%	28%
Low energy/tired for no reason (ECI)	5%	0%	14%	11%
Wakes often at night (CBCL)	2%	41%	12%	95%
Change in normal sleeping habits (ECI)	2%	0%	10%	35%