The association between infants' cognitive development and sleep regulation was investigated in 83 infants not at risk. It was found that 9-mo.-old infants with a more advanced object concept had significantly fewer sleep difficulties compared to infants with lower level of object permanence.
AndersT.HalpernL.HuaJ. (1992) Sleeping through the night: A developmental perspective. Pediatrics, 90, 554–560.
3.
FreudA. (1965) Normality and pathology in childhood. New York: International Universities Press.
4.
MahlerM. S.PineF.BergmanA. (1975) The psychological birth of the human infant. New York: Basic Books.
5.
ParetI. (1983) Night waking and its relation to mother-infant interaction in nine-month old infants. In GlanesongC. J.TysonE. R. (Eds.), Frontiers of infant psychiatry. New York: Basic Books.171–177.
6.
PiagetJ. (1954) The construction of reality in the child. New York: Basic Books.
7.
RichmanN. (1981) A community survey of characteristics of one- to two-year-olds with sleep disruptions. Journal of the American Academic Child Psychiatry, 20, 281–291.
8.
RichmanN. (1987) Surveys of sleep disorders in children in a general population. In GuilleminaultC. (Ed.), Sleep and its disorders in children. New York: Raven Press.115–128.
9.
ScherA. (1991) A longitudinal study of night-waking in the first year. Child: Care, Health and Development, 17, 295–302.
10.
ScherA. (1996) The onset of upright locomotion and night wakings. Perceptual and Motor Skills, 83, 1122.
11.
ScherA.RatsonM. (1998) Motor development and sleep problems among 9-month-olds. Perceptual and Motor Skills, 87, 1218.
12.
UzgirisI.HuntJ. (1975) Assessment in infancy. Chicago, IL: Univer. of Illinois Press.
13.
Van TasselE. B. (1985) The relative influence of child and environmental characteristics on sleep disturbances in the first and second years of life. Developmental and Behavioral Pediatrics, 6, 81–86.
14.
WernerH. (1957) Comparative psychology of mental development. New York: International Universities Press.
