Sleep and Brain Development

Graven, Stanley N.; Browne, Joy V.

doi:10.1053/j.nainr.2008.10.008

Cited by 178 publications

(54 citation statements)

References 57 publications

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“…Furthermore, the majority of the state of the preterm infants in this study was sleep state (75.7%) and only 24.3% was in the wake state. These findings were consistent with that of a previous study (Graven & Browne, 2008), which showed that the amount of sleep accounted for 70% of the sleepewake pattern in preterm infants up to 37 weeks. The relatively low percentage of wake states in the preterm infants might also cause low specificity and PPVW.…”

Section: Accuracy Of Actiwatchsupporting

confidence: 93%

Validation of Actiwatch for Assessment of Sleep-wake States in Preterm Infants

Yang¹,

Yang²,

Chang³

2014

Asian Nursing Research

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Keywords: behavior instruments movement preterm infants sleep s u m m a r y Purpose: The purpose of this study was to validate the Actiwatch with behaviorally determined sleepe wake state in preterm infants and to explore the influence of postmenstrual age on the accuracy of Actiwatch. Methods: A prospective and comparative research design was used. Twenty-four preterm infants with postmenstrual age ranging from 28e38 weeks were studied. The infants were studied for 2 hours between two feedings. Infant's sleep and wake state was measured every 30 seconds using Actiwatch and the Anderson Behavioral State Scale simultaneously. Results: Actiwatch demonstrated high agreement, sensitivity, and predictivity of sleep state, when validated with the Anderson Behavioral State Scale at the setting of high and automatic activity thresholds, and was not influenced by the infant's postmenstrual age. However, lower specificity and predictivity were found in the wake state, and influenced by postmenstrual age. Conclusion: Results of this study suggest that high activity thresholds are the most accurate for determining sleep state in preterm infants, and health care professionals must take the limitations into consideration while using the Actiwatch to assess wake states.

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Section: Accuracy Of Actiwatchsupporting

confidence: 93%

Validation of Actiwatch for Assessment of Sleep-wake States in Preterm Infants

Yang¹,

Yang²,

Chang³

2014

Asian Nursing Research

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“…Sleep is important for healthy neurodevelopment, and disruption of normal sleep cycles may be detrimental 26. The adverse effects of noise on sleep patterns have been primarily illustrated in full-term rather than in preterm infants 27…”

Section: Effects Of Noise On Infant Sleepmentioning

confidence: 99%

The effects of noise on preterm infants in the NICU

Wachman

Lahav

2010

Archives of Disease in Childhood - Fetal and Neonatal Edition

209

166

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In this early pilot study, we sought to determine if the alteration in these physiologic effects in premature infants in response to ambient noise in the NICU could be assessed evaluating cerebral blood saturation. Three premature infants, on high flow nasal cannula oxygen support (HFNC), at less than 34 weeks of gestation were included in the study. Three variables were used to evaluate sound levels due to AAP and EPA guidelines; Leq,1h, L10,1h and Lmax,1min. All of the patients studied were found to be exposed to statistically significant noise levels (above recommendation) throughout all of the time periods measured. Noise levels were found to be similarly elevated during the 1 am and 3 pm time periods as well, though not as much as compared to the 7 am measure. A statistically significant difference was found within every patient's rSO2 levels in both hemispheres, but also in the absolute differences of rSO2. Positive significant statistical correlations were found between the average rSO2 and Leq,1h (ρ=0.14), Lmax,1min (ρ=0.18), L10,1h (ρ=0.15). Significant negative correlations were found between the absolute difference levels and Lmax,1min (ρ=-0.3), and L10,1h (ρ=-0.18) This data highlights the need for further study as to the potential impact of noise on the cerebral physiology of premature infants. Further research is needed to assess the potential long-term side effects of environmental noise on the premature in-fant's brain.

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“…Sleep is believed to have an important role in memory and learning6 and REM sleep has been hypothesised to have a fundamental role in memory consolidation, although this is not universally accepted 7. The increased proportion of REM sleep at birth (see below) compared with adulthood is also linked in mammalian species to immaturity at birth8 and there is experimental evidence to support a role of REM sleep in the regulation of neuronal development and brain plasticity 9…”

mentioning

confidence: 99%

The physiology of sleep in infants

Heraghty

Hilliard

Henderson

et al. 2008

Archives of Disease in Childhood

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Despite the fact that infants spend more time asleep than awake, an understanding of the importance and effects of sleep on the pathophysiology of illness in infancy is a relatively recent development, and is commonly overlooked in paediatric training. In this review we describe some of the characteristics of sleep in infancy, with particular reference to normal developmental physiology and its relevance to the signs, symptoms and pathophysiology of illness in this age group.

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Sleep and Brain Development

Cited by 178 publications

References 57 publications

Validation of Actiwatch for Assessment of Sleep-wake States in Preterm Infants

Validation of Actiwatch for Assessment of Sleep-wake States in Preterm Infants

The effects of noise on preterm infants in the NICU

The physiology of sleep in infants

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