Sleeping and waking state development in preterm infants
D Holditch-Davis, M Scher, T Schwartz… - Early human …, 2004 - Elsevier
BACKGROUND: Most studies of sleep–wake states of preterm infants have been cross-
sectional. Thus, the extent to which sleep–wake development occurs within individuals and
how environmental factors affect the development of sleeping and waking is unclear. AIMS:
This study examined the development of sleeping and waking during the preterm and early
post-term periods and the effects of infant health and environmental characteristics.
DESIGN: Longitudinal, descriptive design. PARTICIPANTS: 134 preterm infants at high risk …
sectional. Thus, the extent to which sleep–wake development occurs within individuals and
how environmental factors affect the development of sleeping and waking is unclear. AIMS:
This study examined the development of sleeping and waking during the preterm and early
post-term periods and the effects of infant health and environmental characteristics.
DESIGN: Longitudinal, descriptive design. PARTICIPANTS: 134 preterm infants at high risk …
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