1. Acebo, C., & Carskadon, M. A. (1997). Reliability of actigraph measures in children and adolescents. Associated Professional Sleep Societies Abstracts, 11 347.
2. Adair, R., Bouchner, H., Philipp, B., Levenson, S., & Zuckerman, B. (1991). Night waking during infancy: Role of parental presence at bedtime. Pediatrics, 87(4), 500–504.
3. American Academy of Pediatrics Task Force. (1992). Positioning and SIDS. Pediatrics, 89(6), 1120–1126.
4. American Psychiatric Association. (1994). Diagnostic and statistical manual of mental disorders (4th ed.). Washington, DC: Author.
5. American Sleep Disorders Association. (1990). The international classification of sleep disorders: Diagnostic and coding manual (2nd ed.). Lawrence, KS: Allen Press.s