Feasibility and behavioral effects of an at-home multi-night sleep restriction protocol for adolescents / Dean W. BEEBE in Journal of Child Psychology and Psychiatry, 49-9 (September 2008)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 49-9 (September 2008) . - p.915-923 Titre : Feasibility and behavioral effects of an at-home multi-night sleep restriction protocol for adolescents Type de document : Texte imprimé et/ou numérique Auteurs : Dean W. BEEBE, Auteur ; Gahan FALLONE, Auteur ; Neha GODIWALA, Auteur ; Matt FLANIGAN, Auteur ; David MARTIN, Auteur ; Laura SCHAFFNER, Auteur ; Raouf AMIN, Auteur Année de publication : 2008 Article en page(s) : p.915-923 Langues : Anglais (eng) Mots-clés : Adolescence attention executive-function pediatrics sleep-deprivation sleep-debt sleepiness teenagers Index. décimale : PER Périodiques Résumé : Background: Sleep deprivation is common among adolescents and has been associated with adverse behavioral and educational outcomes. However, it is difficult to draw strong causal conclusions because of a dearth of experimental sleep research. In part, this appears related to methodological challenges when working with this population. This study tested the feasibility and behavioral effects of a multi-night, at-home experimental sleep restriction protocol in a sample of adolescents. Methods: Twenty healthy adolescents aged 13.9–16.9 years were enrolled in a three-week sleep manipulation protocol using a counterbalanced cross-over experimental design. The protocol included a baseline week, followed in random order by a short sleep week (Monday–Friday nights limited to 6.5 hours time in bed) and an extended sleep week (10 hours lights-out time in bed Monday–Friday nights). Sleep was monitored via self-report and objective actigraphy. These were reviewed with participants and parents on the Saturdays at the end of each week, when parents and participants also completed behavior rating questionnaires. Results: One participant dropped out of the study, but each of the remaining 19 displayed markedly less sleep in the short sleep condition than the extended sleep condition (average nightly gap ∼2.5 hours). Data also reflected indirect effects of sleep deprivation that are consistent with an increase in homeostatic sleep drive. Compared to the extended sleep week, parents during the short sleep week reported that the participants displayed significantly greater problems with sleepiness, attention, oppositionality/irritability, behavior regulation, and metacognition. Participant self-report results were similar, though less robust. Conclusions: A multi-night, at-home sleep manipulation protocol for use with adolescents is indeed feasible. This study also provided the first experimental evidence that chronic sleep restriction during adolescence is causally related to a wide range of behavioral deficits. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2008.01885.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=558 [article] Feasibility and behavioral effects of an at-home multi-night sleep restriction protocol for adolescents [Texte imprimé et/ou numérique] / Dean W. BEEBE, Auteur ; Gahan FALLONE, Auteur ; Neha GODIWALA, Auteur ; Matt FLANIGAN, Auteur ; David MARTIN, Auteur ; Laura SCHAFFNER, Auteur ; Raouf AMIN, Auteur . - 2008 . - p.915-923. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 49-9 (September 2008) . - p.915-923 Mots-clés : Adolescence attention executive-function pediatrics sleep-deprivation sleep-debt sleepiness teenagers Index. décimale : PER Périodiques Résumé : Background: Sleep deprivation is common among adolescents and has been associated with adverse behavioral and educational outcomes. However, it is difficult to draw strong causal conclusions because of a dearth of experimental sleep research. In part, this appears related to methodological challenges when working with this population. This study tested the feasibility and behavioral effects of a multi-night, at-home experimental sleep restriction protocol in a sample of adolescents. Methods: Twenty healthy adolescents aged 13.9–16.9 years were enrolled in a three-week sleep manipulation protocol using a counterbalanced cross-over experimental design. The protocol included a baseline week, followed in random order by a short sleep week (Monday–Friday nights limited to 6.5 hours time in bed) and an extended sleep week (10 hours lights-out time in bed Monday–Friday nights). Sleep was monitored via self-report and objective actigraphy. These were reviewed with participants and parents on the Saturdays at the end of each week, when parents and participants also completed behavior rating questionnaires. Results: One participant dropped out of the study, but each of the remaining 19 displayed markedly less sleep in the short sleep condition than the extended sleep condition (average nightly gap ∼2.5 hours). Data also reflected indirect effects of sleep deprivation that are consistent with an increase in homeostatic sleep drive. Compared to the extended sleep week, parents during the short sleep week reported that the participants displayed significantly greater problems with sleepiness, attention, oppositionality/irritability, behavior regulation, and metacognition. Participant self-report results were similar, though less robust. Conclusions: A multi-night, at-home sleep manipulation protocol for use with adolescents is indeed feasible. This study also provided the first experimental evidence that chronic sleep restriction during adolescence is causally related to a wide range of behavioral deficits. En ligne : http://dx.doi.org/10.1111/j.1469-7610.2008.01885.x Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=558

Impact of sleep restriction on affective functioning in adolescents with attention-deficit/hyperactivity disorder / Stephen P. BECKER in Journal of Child Psychology and Psychiatry, 61-10 (October 2020)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 61-10 (October 2020) . - p.1160-1168 Titre : Impact of sleep restriction on affective functioning in adolescents with attention-deficit/hyperactivity disorder Type de document : Texte imprimé et/ou numérique Auteurs : Stephen P. BECKER, Auteur ; Leanne TAMM, Auteur ; Jeffery N. EPSTEIN, Auteur ; Dean W. BEEBE, Auteur Article en page(s) : p.1160-1168 Langues : Anglais (eng) Mots-clés : Attention-deficit/hyperactivity disorder  adolescence  affect  anxiety  comorbidity  depression  emotion regulation  functional impairment  sleep deprivation Index. décimale : PER Périodiques Résumé : BACKGROUND: Shortened sleep and affective disturbances are both prevalent in adolescents with attention-deficit/hyperactivity disorder (ADHD), yet the causal link between these domains has not been examined. This study investigated whether shortened sleep duration is causally linked to affective functioning in adolescents with ADHD. METHODS: Participants were 48 adolescents (75% male) aged 14-17 years with ADHD who successfully completed a three-week sleep protocol using an experimental crossover design. The protocol included a phase stabilization week, followed, in randomized counterbalanced order, by one week of sleep restriction (6.5 hr in bed) and one week of sleep extension (9.5 hr in bed). Sleep was monitored with objective actigraphy, and all participants included in this study obtained ?1 hr actigraphy-measured sleep duration during extension compared to restriction. Parents and adolescents provided daily ratings of positive and negative affect during the extension and restriction conditions. Ratings of affect, internalizing symptoms, and emotion regulation were collected at laboratory visits conducted at the end of each week. RESULTS: Both parents and adolescents reported greater depressive symptoms and lower positive affect during restriction compared to extension. Parents also reported greater negative affect and emotion dysregulation among adolescents during sleep restriction than extension. No effects were found for parent- or adolescent-reported anxiety symptoms or for adolescent-reported emotion regulation or negative affect. CONCLUSIONS: Findings from this study provide the first evidence that shortened sleep duration is a causal contributor to the affect and mood disturbances frequently experienced by adolescents with ADHD, particularly as observed by parents. Targeting sleep may be important to reduce affective disturbances in adolescents with ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.13235 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=432 [article] Impact of sleep restriction on affective functioning in adolescents with attention-deficit/hyperactivity disorder [Texte imprimé et/ou numérique] / Stephen P. BECKER, Auteur ; Leanne TAMM, Auteur ; Jeffery N. EPSTEIN, Auteur ; Dean W. BEEBE, Auteur . - p.1160-1168. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 61-10 (October 2020) . - p.1160-1168 Mots-clés : Attention-deficit/hyperactivity disorder  adolescence  affect  anxiety  comorbidity  depression  emotion regulation  functional impairment  sleep deprivation Index. décimale : PER Périodiques Résumé : BACKGROUND: Shortened sleep and affective disturbances are both prevalent in adolescents with attention-deficit/hyperactivity disorder (ADHD), yet the causal link between these domains has not been examined. This study investigated whether shortened sleep duration is causally linked to affective functioning in adolescents with ADHD. METHODS: Participants were 48 adolescents (75% male) aged 14-17 years with ADHD who successfully completed a three-week sleep protocol using an experimental crossover design. The protocol included a phase stabilization week, followed, in randomized counterbalanced order, by one week of sleep restriction (6.5 hr in bed) and one week of sleep extension (9.5 hr in bed). Sleep was monitored with objective actigraphy, and all participants included in this study obtained ?1 hr actigraphy-measured sleep duration during extension compared to restriction. Parents and adolescents provided daily ratings of positive and negative affect during the extension and restriction conditions. Ratings of affect, internalizing symptoms, and emotion regulation were collected at laboratory visits conducted at the end of each week. RESULTS: Both parents and adolescents reported greater depressive symptoms and lower positive affect during restriction compared to extension. Parents also reported greater negative affect and emotion dysregulation among adolescents during sleep restriction than extension. No effects were found for parent- or adolescent-reported anxiety symptoms or for adolescent-reported emotion regulation or negative affect. CONCLUSIONS: Findings from this study provide the first evidence that shortened sleep duration is a causal contributor to the affect and mood disturbances frequently experienced by adolescents with ADHD, particularly as observed by parents. Targeting sleep may be important to reduce affective disturbances in adolescents with ADHD. En ligne : http://dx.doi.org/10.1111/jcpp.13235 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=432

Later ("evening") circadian preference is associated with poorer executive, academic, and attentional functioning in adolescents with and without ADHD / Stephen P. BECKER in Journal of Child Psychology and Psychiatry, 66-1 (January 2025)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 66-1 (January 2025) . - p.53-63 Titre : Later ("evening") circadian preference is associated with poorer executive, academic, and attentional functioning in adolescents with and without ADHD Type de document : Texte imprimé et/ou numérique Auteurs : Stephen P. BECKER, Auteur ; Aleah BROWN, Auteur ; Joshua M. LANGBERG, Auteur ; Dean W. BEEBE, Auteur Article en page(s) : p.53-63 Langues : Anglais (eng) Mots-clés : ADHD  academic performance  adolescence  chronotype  circadian preference  executive function Index. décimale : PER Périodiques Résumé : Background Adolescents vary considerably in their circadian phase preference; those with greater ?eveningness? (also known as ?night owls?) have later bedtimes, wake times, and peak arousal compared to those with greater ?morningness.? Prior research suggests that (a) greater eveningness is associated with worse academic, executive, and attentional functioning; and (b) adolescents with attention-deficit/hyperactivity disorder (ADHD) tend to be high in eveningness and to have deficits in these school-related constructs. However, few studies have examined circadian preference alongside two potential confounds?sleep duration and sleep quality?as predictors of daytime functioning, or whether the strength of associations differs across adolescents with and without ADHD. Methods Participants were 302 adolescents (Mage?=?13.17?years; 44.7% female; 81.8% White); approximately half (52%) had ADHD. A multi-method, multi-informant design was used. Specifically, adolescents reported on their circadian preference, school night sleep duration, and sleep quality. Adolescents provided ratings of their academic motivation (intrinsic, extrinsic, and amotivation) and were administered standardized achievement tests in reading and math. Adolescents and parents completed ratings of daily life executive functioning (behavioral, emotion, and cognitive regulation), and they and teachers also provided ratings of ADHD inattentive symptoms. Results Above and beyond sleep duration, sleep quality, and covariates (sex, family income, pubertal development, medication use), greater eveningness was uniquely associated with poorer academic, executive, and attentional functioning across most measures. Sleep quality was uniquely associated with a handful of outcomes, and sleep duration was not significantly uniquely associated with any outcome in the regression analyses. ADHD status did not moderate effects. Conclusions This study provides compelling evidence that poorer academic, executive, and attentional functioning are more closely associated with greater eveningness than with sleep duration or quality in adolescents. Findings suggest that targeting circadian preference may be important to reduce these problems in adolescents, especially in clinical samples such as ADHD for whom academic, executive, and attentional difficulties are exceptionally common. En ligne : https://dx.doi.org/10.1111/jcpp.14030 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=545 [article] Later ("evening") circadian preference is associated with poorer executive, academic, and attentional functioning in adolescents with and without ADHD [Texte imprimé et/ou numérique] / Stephen P. BECKER, Auteur ; Aleah BROWN, Auteur ; Joshua M. LANGBERG, Auteur ; Dean W. BEEBE, Auteur . - p.53-63. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 66-1 (January 2025) . - p.53-63 Mots-clés : ADHD  academic performance  adolescence  chronotype  circadian preference  executive function Index. décimale : PER Périodiques Résumé : Background Adolescents vary considerably in their circadian phase preference; those with greater ?eveningness? (also known as ?night owls?) have later bedtimes, wake times, and peak arousal compared to those with greater ?morningness.? Prior research suggests that (a) greater eveningness is associated with worse academic, executive, and attentional functioning; and (b) adolescents with attention-deficit/hyperactivity disorder (ADHD) tend to be high in eveningness and to have deficits in these school-related constructs. However, few studies have examined circadian preference alongside two potential confounds?sleep duration and sleep quality?as predictors of daytime functioning, or whether the strength of associations differs across adolescents with and without ADHD. Methods Participants were 302 adolescents (Mage?=?13.17?years; 44.7% female; 81.8% White); approximately half (52%) had ADHD. A multi-method, multi-informant design was used. Specifically, adolescents reported on their circadian preference, school night sleep duration, and sleep quality. Adolescents provided ratings of their academic motivation (intrinsic, extrinsic, and amotivation) and were administered standardized achievement tests in reading and math. Adolescents and parents completed ratings of daily life executive functioning (behavioral, emotion, and cognitive regulation), and they and teachers also provided ratings of ADHD inattentive symptoms. Results Above and beyond sleep duration, sleep quality, and covariates (sex, family income, pubertal development, medication use), greater eveningness was uniquely associated with poorer academic, executive, and attentional functioning across most measures. Sleep quality was uniquely associated with a handful of outcomes, and sleep duration was not significantly uniquely associated with any outcome in the regression analyses. ADHD status did not moderate effects. Conclusions This study provides compelling evidence that poorer academic, executive, and attentional functioning are more closely associated with greater eveningness than with sleep duration or quality in adolescents. Findings suggest that targeting circadian preference may be important to reduce these problems in adolescents, especially in clinical samples such as ADHD for whom academic, executive, and attentional difficulties are exceptionally common. En ligne : https://dx.doi.org/10.1111/jcpp.14030 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=545

Sleep restriction worsens mood and emotion regulation in adolescents / Katherine T. BAUM in Journal of Child Psychology and Psychiatry, 55-2 (February 2014)  

Public ISBD [article]  inJournal of Child Psychology and Psychiatry > 55-2 (February 2014) . - p.180-190 Titre : Sleep restriction worsens mood and emotion regulation in adolescents Type de document : Texte imprimé et/ou numérique Auteurs : Katherine T. BAUM, Auteur ; Anjali DESAI, Auteur ; Julie FIELD, Auteur ; Lauren E. MILLER, Auteur ; Joseph RAUSCH, Auteur ; Dean W. BEEBE, Auteur Article en page(s) : p.180-190 Langues : Anglais (eng) Mots-clés : Adolescence  sleep  anxiety  mental health  pediatrics Index. décimale : PER Périodiques Résumé : Background The relationship between inadequate sleep and mood has been well-established in adults and is supported primarily by correlational data in younger populations. Given that adolescents often experience shortened sleep on school nights, we sought to better understand the effect of experimentally induced chronic sleep restriction on adolescents’ mood and mood regulation. Methods Fifty healthy adolescents, ages 14–17, completed a 3-week sleep manipulation protocol involving a baseline week, followed by a sleep restriction (SR) condition (6.5 hr in bed per night for five nights) and healthy sleep duration (HS) condition (10 hr in bed per night for five nights). The study used a randomized, counterbalanced, crossover experimental design. Participants’ sleep was monitored at home via self-report and actigraphy. At the end of each condition, participants and their parents completed questionnaires of mood and mood regulation. To assess for expectancy effects, we also analyzed parent and teen ratings of hyperactivity/impulsivity, which prior research suggests is not sensitive to SR in adolescents. Wilcoxon Signed Rank tests compared questionnaire outcomes across the two conditions. Results Participants averaged 2.5 more hours of sleep per night during HS relative to SR. Compared with HS, adolescents rated themselves as significantly more tense/anxious, angry/hostile, confused, and fatigued, and as less vigorous (p = .001–.01) during SR. Parents and adolescents also reported greater oppositionality/irritability and poorer emotional regulation during SR compared with HS (p .05). There were no cross-condition differences in depression or hyperactivity/impulsivity (p .05). Conclusions Findings complement prior correlational study results to show that after only a few days of shortened sleep, at a level of severity that is experienced regularly by millions of adolescents on school nights, adolescents have worsened mood and decreased ability to regulate negative emotions. En ligne : http://dx.doi.org/10.1111/jcpp.12125 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=221 [article] Sleep restriction worsens mood and emotion regulation in adolescents [Texte imprimé et/ou numérique] / Katherine T. BAUM, Auteur ; Anjali DESAI, Auteur ; Julie FIELD, Auteur ; Lauren E. MILLER, Auteur ; Joseph RAUSCH, Auteur ; Dean W. BEEBE, Auteur . - p.180-190. Langues : Anglais (eng) in Journal of Child Psychology and Psychiatry > 55-2 (February 2014) . - p.180-190 Mots-clés : Adolescence  sleep  anxiety  mental health  pediatrics Index. décimale : PER Périodiques Résumé : Background The relationship between inadequate sleep and mood has been well-established in adults and is supported primarily by correlational data in younger populations. Given that adolescents often experience shortened sleep on school nights, we sought to better understand the effect of experimentally induced chronic sleep restriction on adolescents’ mood and mood regulation. Methods Fifty healthy adolescents, ages 14–17, completed a 3-week sleep manipulation protocol involving a baseline week, followed by a sleep restriction (SR) condition (6.5 hr in bed per night for five nights) and healthy sleep duration (HS) condition (10 hr in bed per night for five nights). The study used a randomized, counterbalanced, crossover experimental design. Participants’ sleep was monitored at home via self-report and actigraphy. At the end of each condition, participants and their parents completed questionnaires of mood and mood regulation. To assess for expectancy effects, we also analyzed parent and teen ratings of hyperactivity/impulsivity, which prior research suggests is not sensitive to SR in adolescents. Wilcoxon Signed Rank tests compared questionnaire outcomes across the two conditions. Results Participants averaged 2.5 more hours of sleep per night during HS relative to SR. Compared with HS, adolescents rated themselves as significantly more tense/anxious, angry/hostile, confused, and fatigued, and as less vigorous (p = .001–.01) during SR. Parents and adolescents also reported greater oppositionality/irritability and poorer emotional regulation during SR compared with HS (p .05). There were no cross-condition differences in depression or hyperactivity/impulsivity (p .05). Conclusions Findings complement prior correlational study results to show that after only a few days of shortened sleep, at a level of severity that is experienced regularly by millions of adolescents on school nights, adolescents have worsened mood and decreased ability to regulate negative emotions. En ligne : http://dx.doi.org/10.1111/jcpp.12125 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=221

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