Richman N, Douglas J, Hunt H, Lansdown R, Levere R
J Child Psychol Psychiatry. 1985 Jul;26(4):581-90. doi: 10.1111/j.1469-7610.1985.tb01642.x.
The efficacy of behavioural methods of treatment for severe sleep disorders was examined in a pilot study involving 35 children aged 1-5 years. Improvement occurred in 77%. Methodological issues concerning the selection of children for treatment, selecting adequate controls and outcome measures, and using parents as therapists, are discussed.