Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sleep rhythmicity in premature infants: implications for development status

I F Borghese1, K L Minard, E B Thoman

  • 1University of Connecticut, Biobehavioral Sciences Graduate Degree Program, Storrs 06269-4154, USA.

Sleep
|September 1, 1995
PubMed
Summary

Premature infants show developing sleep cyclicity, with more organized sleep patterns emerging by 6 months. Sleep patterns differ significantly between preterm and 6-month-old infants, with nighttime sleep being more structured.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Sleep rhythmicity in infants: index of stress or maturation.

Behavioural processes·2014
Same author

Cardiovascular and other physical effects of acute administration of naltrexone in autistic children.

Journal of child and adolescent psychopharmacology·2009
Same author

Stability of temperament over the childhood years.

The American journal of orthopsychiatry·1999
Same author

A comparative study of quiet sleep, active sleep, and waking on the first 2 days of life.

Developmental psychobiology·1999
Same author

Sleep patterns in newborns and temperament at eight months: a preliminary study.

Journal of developmental and behavioral pediatrics : JDBP·1999
Same author

Sleep/wake states of preterm infants: stability, developmental change, diurnal variation, and relation with caregiving activity.

Child development·1999

Area of Science:

  • Developmental Neuroscience
  • Sleep Medicine
  • Infant Development

Background:

  • Ultradian and diurnal rhythms are crucial for infant development.
  • Understanding sleep cyclicity in premature infants is essential for assessing neurodevelopmental trajectories.

Purpose of the Study:

  • To investigate ultradian and diurnal rhythms in premature infants.
  • To assess the cyclicity of quiet sleep (QS) and its diurnal distribution.
  • To examine changes in sleep cyclicity from preterm to 6 months corrected age.

Main Methods:

  • Nonintrusive motility monitoring system used to record sleep in 49 preterm infants (36 weeks CA) and 42 infants at 6 months corrected age.
  • Sleep recordings conducted in hospital and at home over successive 24-hour periods.

Related Experiment Videos

  • Cyclicity assessed using a validated procedure to determine significance and degree of cyclicity.

    • Main Results:

    • Significant sleep cyclicity observed in 20/49 preterm infants and 37/42 at 6 months.
    • Mean cyclicity scores increased from 0.61 to 0.81 with age; cycle length remained ~60 minutes.
    • Diurnal differences noted, with more analyzable sleep and higher cyclicity at night for both age groups.
    • Preterm cyclicity negatively correlated with perinatal status and 6-month mental scores; 6-month cyclicity positively correlated with perinatal status and mental scores.

    Conclusions:

    • Sleep cyclicity and diurnal distribution patterns evolve significantly from preterm to 6 months corrected age.
    • Nighttime sleep demonstrates greater organization and cyclicity.
    • The interpretation of sleep periodicity requires age-specific considerations, particularly regarding correlations with developmental outcomes.