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Association between sleep stages and hunger scores in 36 children
Author(s) -
Arun R.,
Pina P.,
Rubin D.,
Erichsen D.
Publication year - 2016
Publication title -
pediatric obesity
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.226
H-Index - 69
eISSN - 2047-6310
pISSN - 2047-6302
DOI - 10.1111/ijpo.12064
Subject(s) - medicine , polysomnogram , sleep (system call) , bedtime , body mass index , sleep stages , sleep onset , obesity , slow wave sleep , polysomnography , sleep onset latency , pediatrics , insomnia , apnea , psychiatry , electroencephalography , computer science , operating system
Summary Background Childhood obesity is a growing health challenge. Recent studies show that children with late bedtime and late awakening are more obese independent of total sleep time. In adolescents and adults, a delayed sleep phase has been associated with higher caloric intake. Furthermore, an adult study showed a positive correlation between REM sleep and energy balance. This relationship has not been demonstrated in children. However, it may be important as a delayed sleep phase would increase the proportion of REM sleep. Objectives This study investigated the relationship between hunger score and sleep physiology in a paediatric population. Methods Thirty‐six patients referred for a polysomnogram for suspected obstructive sleep apnoea were enrolled in the study. Sleep stages were recorded as part of the polysomnogram. Hunger scores were obtained using a visual analogue scale. Mean age was 9.6 ± 3.5 years. Results Mean hunger scores were 2.07 ± 2.78. Hunger scores were positively correlated with percentage of total rapid eye movement ( REM ) sleep (r = 0.438, P  < 0.01) and REM sleep duration in minutes (r = 0.471, P  < 0.05). Percentage slow wave sleep ( SWS ) was negatively correlated with hunger score (r = −0.360, P  < 0.05). There were no correlations between age, sex, body mass index percentiles, apnoea–hypopnoea index, total sleep time, sleep efficiency, sleep onset latency, stage 2 sleep duration and hunger scores. Conclusions These findings suggest that delayed bedtime, which increases the proportion of REM sleep and decreases the proportion of SWS , results in higher hunger levels in children.

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