{"id":2750,"date":"2025-06-26T18:15:00","date_gmt":"2025-06-26T18:15:00","guid":{"rendered":"https:\/\/healthscience.institute\/?p=2750"},"modified":"2025-11-25T08:02:22","modified_gmt":"2025-11-25T08:02:22","slug":"coping-with-delayed-sleep-phase-syndrome-effective-strategies","status":"publish","type":"post","link":"http:\/\/scienceinhealth.com\/fr\/2025\/06\/26\/coping-with-delayed-sleep-phase-syndrome-effective-strategies\/","title":{"rendered":"Faire face au syndrome de la phase de sommeil retard\u00e9e\u00a0: strat\u00e9gies efficaces"},"content":{"rendered":"<p><strong>Points cl\u00e9s<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le DSPS (trouble de la phase de sommeil \u00e0 retardement) provoque un d\u00e9but de sommeil deux heures ou plus tard que d\u2019habitude, ce qui entra\u00eene des difficult\u00e9s \u00e0 se r\u00e9veiller le matin.<\/li>\n\n\n\n<li>Les facteurs g\u00e9n\u00e9tiques (par exemple, CRY1, PER3) et les sch\u00e9mas d\u2019exposition \u00e0 la lumi\u00e8re contribuent \u00e0 l\u2019alt\u00e9ration du rythme circadien.<\/li>\n\n\n\n<li>Le diagnostic repose sur l\u2019historique, les journaux de sommeil, l\u2019actigraphie et les crit\u00e8res d\u00e9finis par ICSD-3 \/ AASM.<\/li>\n\n\n\n<li>Les strat\u00e9gies fond\u00e9es sur des preuves incluent la luminoth\u00e9rapie, la m\u00e9latonine minut\u00e9e, les techniques comportementales, la chronoth\u00e9rapie et les ajustements du mode de vie.<\/li>\n\n\n\n<li>La constance et l\u2019observance quotidienne sont essentielles ; la rechute est courante sans suivi.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">La situation d\u2019un noctambule<\/h3>\n\n\n\n<p>Imaginez que vous vous endormez constamment vers 2 heures du matin ou plus tard, et que vous vous r\u00e9veillez \u00e0 7 heures du matin pour le travail ou l\u2019\u00e9cole, c\u2019est comme gravir l\u2019Everest. Vous obtenez les huit heures requises\u2014mais de 4 h \u00e0 midi. Ce conflit entre votre horloge interne et vos horaires quotidiens peut entra\u00eener une fatigue chronique, un isolement social et des occasions manqu\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi est-ce important<\/h3>\n\n\n\n<p>Le DSPS n\u2019est pas seulement \u00eatre un retardataire\u2014c\u2019est un d\u00e9calage scientifique entre votre horloge biologique et le temps soci\u00e9tal. L\u2019American Academy of Sleep Medicine note que les DSPS non trait\u00e9s peuvent \u00eatre li\u00e9s \u00e0 des perturbations de l\u2019humeur, \u00e0 une baisse des performances acad\u00e9miques ou professionnelles et \u00e0 un risque accru de fatigue chronique au fil du temps. Des \u00e9tudes estiment que jusqu\u2019\u00e0 3\u20115\u00a0% des adolescents et jeunes adultes r\u00e9pondent aux crit\u00e8res de diagnostic, avec une pr\u00e9valence atteignant 7\u201116\u00a0% chez les adolescents selon la m\u00e9thode de d\u00e9pistage (American Academy of Sleep Medicine, 2023 ; Sleep Foundation, 2022).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Signes &amp; Impact quotidien<\/h3>\n\n\n\n<p>Les personnes avec DSPS d\u00e9crivent souvent\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u2019endormir deux \u00e0 six heures plus tard qu\u2019au coucher conventionnel, avec peu de variabilit\u00e9.<\/li>\n\n\n\n<li>Se sentir rafra\u00eechi si on leur permet de dormir selon leur horaire pr\u00e9f\u00e9r\u00e9, mais en difficult\u00e9 lorsqu\u2019ils sont forc\u00e9s de se r\u00e9veiller t\u00f4t.<\/li>\n\n\n\n<li>Vivre ce que les chercheurs appellent \u00ab\u00a0d\u00e9calage horaire social\u00a0\u00bb \u2014un d\u00e9salignement chronique entre le temps biologique et les obligations sociales (Roenneberg et al., 2019).<\/li>\n<\/ul>\n\n\n\n<p>Il commence souvent \u00e0 l\u2019adolescence et peut persister \u00e0 l\u2019\u00e2ge adulte, \u00e9tant parfois mal diagnostiqu\u00e9 comme des probl\u00e8mes de sommeil primaires ou des probl\u00e8mes li\u00e9s \u00e0 l\u2019humeur en raison de plaintes superpos\u00e9es.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La science derri\u00e8re le retard<\/h3>\n\n\n\n<p>Au c\u0153ur du cerveau se trouve le noyau suprachiasmatique (SCN) \u2014l\u2019horloge ma\u00eetresse qui r\u00e9gule les rythmes circadiens \u2014 aux c\u00f4t\u00e9s de g\u00e8nes tels que CRY1 et PER3 qui d\u00e9terminent le rythme de l\u2019horloge. Il a \u00e9t\u00e9 d\u00e9montr\u00e9 qu\u2019une mutation dans CRY1 ralentissait l\u2019horloge interne, ce qui repousse le d\u00e9but du sommeil de plusieurs heures (Patke et al., 2017). Les variations de PER3 sont associ\u00e9es aux chronotypes du soir et aux tendances DSPS (Zhang et al., 2016).<\/p>\n\n\n\n<p>Dans le DSPS, la lib\u00e9ration de m\u00e9latonine\u2014l\u2019hormone qui signale qu\u2019il est temps de dormir \u2014 est retard\u00e9e. Des essais cliniques ont montr\u00e9 que l\u2019administration de m\u00e9latonine \u00e0 petites doses (0,3\u20133 mg) quelques heures avant le d\u00e9but naturel peut faire avancer le sommeil, en particulier lorsqu\u2019elle est associ\u00e9e \u00e0 une exposition \u00e0 la lumi\u00e8re vive du matin (Mundey et al., 2005). Un timing correct est crucial\u00a0: prise trop tard, la m\u00e9latonine peut avoir peu d\u2019effet ou m\u00eame d\u00e9caler l\u2019horloge plus en arri\u00e8re.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00e9tablir le bon diagnostic<\/h3>\n\n\n\n<p>Les crit\u00e8res diagnostiques de la classification internationale des troubles du sommeil, troisi\u00e8me \u00e9dition (ICSD-3) exigent\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Un sommeil habituel est retard\u00e9 d\u2019au moins deux heures par rapport aux temps souhait\u00e9s, persistant pendant trois mois ou plus.<\/li>\n\n\n\n<li>Difficult\u00e9 constante \u00e0 se r\u00e9veiller \u00e0 des heures socialement acceptables.<\/li>\n\n\n\n<li>Confirmation objective par des journaux de sommeil ou une actigraphie pendant au moins deux semaines.<\/li>\n<\/ul>\n\n\n\n<p>La polysomnographie est utilis\u00e9e principalement pour \u00e9carter d\u2019autres troubles du sommeil (AASM, 2023).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Strat\u00e9gies pratiques qui aident<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1. Matin <strong>luminoth\u00e9rapie<\/strong><\/h4>\n\n\n\n<p>L\u2019exposition \u00e0 10\u00a0000 lux de lumi\u00e8re vive dans les 30 minutes suivant le r\u00e9veil\u2014pendant 30 \u00e0 60 minutes \u2014 aide \u00e0 r\u00e9initialiser le rythme circadien plus t\u00f4t. La lumi\u00e8re du soleil ext\u00e9rieure est id\u00e9ale, mais les bo\u00eetes lumineuses cliniquement valid\u00e9es sont \u00e9galement efficaces. Des \u00e9tudes montrent que la lumi\u00e8re du matin avance le rythme circadien, tandis que la lumi\u00e8re du soir le retarde, ce qui rend la gestion du temps d\u2019\u00e9cran cruciale (Shirani &amp; Louis, 2009).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>Suppl\u00e9mentation en m\u00e9latonine programm\u00e9e<\/strong><\/h4>\n\n\n\n<p>Il a \u00e9t\u00e9 d\u00e9montr\u00e9 que la m\u00e9latonine \u00e0 faible dose (0,3\u20133 mg) prise 1,5\u20136 heures avant le d\u00e9but naturel du sommeil permet d\u2019acc\u00e9l\u00e9rer le rythme circadien dans le DSPS (Mundey et al., 2005). Des doses plus faibles fonctionnent souvent aussi bien\u2014ou mieux \u2014 que des doses plus \u00e9lev\u00e9es, avec moins d\u2019effets secondaires.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>chronoth\u00e9rapie<\/strong><\/h4>\n\n\n\n<p>Cette m\u00e9thode structur\u00e9e d\u00e9cale progressivement l\u2019heure du coucher plus tard d\u2019une \u00e0 trois heures chaque jour, en parcourant l\u2019horloge de 24 heures jusqu\u2019\u00e0 ce que l\u2019heure souhait\u00e9e soit atteinte. Bien qu\u2019efficace, elle n\u00e9cessite une stricte observance et est mieux r\u00e9alis\u00e9e sous supervision clinique (Czeisler et al., 1981).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4. <strong>Hygi\u00e8ne du sommeil et soutien comportemental<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gardez des horaires de r\u00e9veil coh\u00e9rents, m\u00eame le week-end.<\/li>\n\n\n\n<li>Limitez l\u2019exposition \u00e0 la lumi\u00e8re apr\u00e8s le coucher du soleil ; utilisez un \u00e9clairage tamis\u00e9 ou ambr\u00e9 le soir.<\/li>\n\n\n\n<li>\u00c9vitez la caf\u00e9ine l\u2019apr\u00e8s-midi et le soir.<\/li>\n\n\n\n<li>\u00c9vitez la caf\u00e9ine l\u2019apr\u00e8s-midi et le soir.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pleins feux sur la recherche<\/h3>\n\n\n\n<p>Plusieurs essais contr\u00f4l\u00e9s ont d\u00e9montr\u00e9 que la combinaison de la th\u00e9rapie par lumi\u00e8re vive le matin avec la m\u00e9latonine en d\u00e9but de soir\u00e9e produit des progr\u00e8s de phase plus importants que l\u2019une ou l\u2019autre m\u00e9thode seule. Dans un essai randomis\u00e9 publi\u00e9 en <em>dormir<\/em>, les participants qui ont utilis\u00e9 les deux interventions ont chang\u00e9 le d\u00e9but de leur sommeil de 1,5 \u00e0 2 heures plus t\u00f4t en quatre semaines, signalant une meilleure vigilance matinale et une fatigue r\u00e9duite pendant la journ\u00e9e par rapport aux t\u00e9moins (Mundey et al., 2005). Des recherches suppl\u00e9mentaires confirment que maintenir des temps de r\u00e9veil constants et restreindre la lumi\u00e8re du soir am\u00e9liore consid\u00e9rablement la stabilit\u00e9 \u00e0 long terme de ces gains (Shirahama et al., 2020). Ces r\u00e9sultats renforcent le fait que les strat\u00e9gies multimodales, fond\u00e9es sur des ajustements biologiques et comportementaux, sont les plus efficaces pour la DSPS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pourquoi le succ\u00e8s \u00e0 long terme peut \u00eatre difficile<\/h3>\n\n\n\n<p>M\u00eame avec une th\u00e9rapie efficace, la rechute est courante. Dans une \u00e9tude de suivi, pr\u00e8s de 90\u00a0% des participants sont revenus \u00e0 leur programme initial retard\u00e9 en un an apr\u00e8s avoir arr\u00eat\u00e9 la m\u00e9latonine, avec 29\u00a0% revenant en une semaine (Shirahama et al., 2020). Cela souligne l\u2019importance de l\u2019adh\u00e9sion continue \u00e0 l\u2019exposition \u00e0 la lumi\u00e8re, du timing de la m\u00e9latonine et des routines coh\u00e9rentes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Quand demander un conseil professionnel<\/h3>\n\n\n\n<p>Si le retard du sommeil perturbe le travail, l\u2019\u00e9cole ou l\u2019humeur, il vaut la peine de consulter un sp\u00e9cialiste certifi\u00e9 du sommeil. Ils peuvent commander des tests objectifs tels que des mesures de l\u2019apparition de la m\u00e9latonine en lumi\u00e8re tamis\u00e9e (DLMO), une actigraphie ou des plans comportementaux personnalis\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prochaines \u00e9tapes et ressources<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Commencez un journal de sommeil pendant deux semaines.<\/li>\n\n\n\n<li>Ajoutez la r\u00e9duction de la lumi\u00e8re vive du matin et de soir \u00e0 votre routine.<\/li>\n\n\n\n<li>Discutez de la m\u00e9latonine programm\u00e9e avec votre professionnel de sant\u00e9.<\/li>\n\n\n\n<li>Envisager une chronoth\u00e9rapie sous la direction d\u2019un expert si n\u00e9cessaire.<\/li>\n\n\n\n<li>Utilisez un soutien comportemental pour maintenir les gains.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">finir<\/h3>\n\n\n\n<p>Vivre avec DSPS peut donner l\u2019impression que votre corps est enferm\u00e9 dans un autre fuseau horaire. Mais avec des strat\u00e9gies scientifiquement soutenues\u2014lumi\u00e8re, m\u00e9latonine, structure comportementale \u2014 vous pouvez pousser votre horloge biologique vers un meilleur alignement. Le changement n\u00e9cessite de la discipline, mais les retomb\u00e9es en termes d\u2019\u00e9nergie, d\u2019humeur et de fonctionnement quotidien peuvent \u00eatre profondes.<\/p>\n\n\n\n<p><em>L\u2019article ne constitue en aucun cas un avis m\u00e9dical. Veuillez consulter un professionnel de la sant\u00e9 agr\u00e9\u00e9 avant de commencer tout traitement. Ce site peut recevoir des commissions \u00e0 partir des liens ou produits mentionn\u00e9s dans cet article.<\/em><\/p>\n\n\n\n<p><strong><a href=\"http:\/\/scienceinhealth.com\/fr\/newsletter\/\">Abonnez-vous gratuitement pour des articles de sant\u00e9 plus \u00e9clairants adapt\u00e9s \u00e0 vos besoins.<\/a><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9f\u00e9rence<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/aasm.org\/clinical-resources\/international-classification-of-sleep-disorders\/\">Acad\u00e9mie Am\u00e9ricaine de la M\u00e9decine du Sommeil. <em>International Classification of Sleep Disorders, Third Edition (ICSD\u20113)<\/em>. 2023.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.sleepfoundation.org\/circadian-rhythm-sleep-disorders\/delayed-sleep-wake-phase-disorder\">Sleep Foundation. \u201cDelayed Sleep-Wake Phase Disorder.\u201d 2022.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1016\/j.cell.2017.03.027\">Patke A, et\u202fal. Mutation of the human circadian clock gene CRY1 in DSPS. <em>Cell<\/em>. 2017.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.3109\/07420528.2015.1120410\">Zhang L, et\u202fal. PER3 polymorphisms and evening chronotype. <em>Chronobiology International<\/em>. 2016.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1093\/sleep\/28.10.1271\">Mundey K, et\u202fal. Phase\u2011dependent melatonin effects in DSPS. <em>dormir<\/em>. 2005.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1016\/j.cub.2019.05.053\">Roenneberg T, et\u202fal. Social jetlag and circadian misalignment. <em>Current Biology<\/em>. 2019.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1002\/14651858.CD003046.pub3\">Shirani A, Louis E. Light therapy for circadian rhythm sleep disorders. <em>Cochrane Database of Systematic Reviews<\/em>. 2009.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1093\/sleep\/4.1.1\">Czeisler CA, et\u202fal. Chronotherapy for DSPS. <em>dormir<\/em>. 1981.<\/a><\/li>\n\n\n\n<li><a class=\"\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/B9781437703245000715\">Bootzin RR, Epstein D. Stimulus control therapy for insomnia. In: <em>Principles and Practice of Sleep Medicine<\/em>. 2011.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1016\/j.sleep.2020.02.022\">Shirahama S, et\u202fal. Long-term follow\u2011up of DSPS after melatonin cessation. <em>Sleep Medicine<\/em>. 2020.<\/a><\/li>\n\n\n\n<li>Bootzin, R. R., &amp; Epstein, D. R. (2011). Understanding and treating insomnia. Annual Review of Clinical Psychology, 7, 435\u2013458. <a href=\"https:\/\/doi.org\/10.1146\/annurev.clinpsy.3.022806.091516\">https:\/\/doi.org\/10.1146\/annurev.clinpsy.3.022806.091516\u00a0<\/a><\/li>\n\n\n\n<li>Chang, A.-M., Aeschbach, D., Duffy, J. F., &amp; Czeisler, C. A. (2015). Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness. Proceedings of the National Academy of Sciences, 112(4), 1232\u20131237. <a href=\"https:\/\/doi.org\/10.1073\/pnas.1418490112\">https:\/\/doi.org\/10.1073\/pnas.1418490112\u00a0<\/a><\/li>\n\n\n\n<li>Cheng, D. C. Y., Ganner, J. L., Gordon, C. J., Phillips, C. L., Grunstein, R. R., &amp; Comas, M. (2021). The efficacy of combined bright light and melatonin therapies on sleep and circadian outcomes: A systematic review. Sleep Medicine Reviews, 58, 101491. <a href=\"https:\/\/doi.org\/10.1016\/j.smrv.2021.101491\">https:\/\/doi.org\/10.1016\/j.smrv.2021.101491<\/a>\u00a0<\/li>\n\n\n\n<li>Mundey, K., Benloucif, S., Harsanyi, K., Dubocovich, M. L., &amp; Zee, P. C. (2005). Phase-dependent treatment of delayed sleep phase syndrome with melatonin. Sleep, 28(10), 1271\u20131278.<a href=\"https:\/\/doi.org\/10.1093\/sleep\/28.10.1271\"> https:\/\/doi.org\/10.1093\/sleep\/28.10.1271\u00a0<\/a><\/li>\n\n\n\n<li>Patke, A., Murphy, P. J., Onat, O. E., Krieger, A. C., \u00d6z\u00e7elik, T., Campbell, S. S., &amp; Young, M. W. (2017). Mutation of the human circadian clock gene CRY1 in familial delayed sleep phase disorder. Cell, 169(2), 203\u2013215. <a href=\"https:\/\/doi.org\/10.1016\/j.cell.2017.03.027\">https:\/\/doi.org\/10.1016\/j.cell.2017.03.027\u00a0<\/a><\/li>\n\n\n\n<li>Saxvig, I. W., Wilhelmsen\u2010Langeland, A., Pallesen, S., Vedaa, \u00d8., Nordhus, I. H., &amp; Bjorvatn, B. (2014). A randomized controlled trial with bright light and melatonin for delayed sleep phase disorder: Effects on subjective and objective sleep. Chronobiology International, 31(1), 72\u201386.<a href=\"https:\/\/doi.org\/10.3109\/07420528.2013.823200\"> https:\/\/doi.org\/10.3109\/07420528.2013.823200\u00a0<\/a><\/li>\n\n\n\n<li>Sivertsen, B., Omvik, S., Havik, O. E., Pallesen, S., Bjorvatn, B., Nielsen, G. H., Nordhus, I. H., &amp; Krokstad, S. (2013). Delayed sleep phase syndrome in adolescents: Prevalence and correlates. BMC Public Health, 13, 1163. <a href=\"https:\/\/doi.org\/10.1186\/1471-2458-13-1163\">https:\/\/doi.org\/10.1186\/1471-2458-13-1163\u00a0<\/a><\/li>\n\n\n\n<li>Smieszek, S. P., Brzezynski, J. L., Kaden, A. R., et al. (2021). An observational study investigating the CRY1\u039411 variant associated with delayed sleep\u2013wake patterns and circadian metabolic output. Scientific Reports, 11, 20103. <a href=\"https:\/\/doi.org\/10.1038\/s41598-021-99418-2\">https:\/\/doi.org\/10.1038\/s41598-021-99418-2\u00a0<\/a><\/li>\n\n\n\n<li>Terman, J. S., Terman, M., Lo, E. S. C., &amp; Cooper, T. B. (2001). Circadian time of morning light administration and therapeutic response in winter depression. Archives of General Psychiatry, 58(1), 69\u201375. <a href=\"https:\/\/doi.org\/10.1001\/archpsyc.58.1.69\">https:\/\/doi.org\/10.1001\/archpsyc.58.1.69<\/a> (cited by Shirani &amp; St. Louis, 2009)<\/li>\n<\/ol>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Key Points A Night Owl\u2019s Plight Imagine you consistently fall asleep around 2\u202fa.m. or later, and waking at 7\u202fa.m.&hellip;<\/p>","protected":false},"author":13,"featured_media":2757,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,17],"tags":[206,204,207,209,210,205,211],"class_list":["post-2750","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mental-health","category-sleep","tag-circadian-rhythm","tag-delayed-sleep-phase-syndrome","tag-dsps-treatment","tag-light-therapy-for-sleep","tag-melatonin-timing","tag-sleep-disorders","tag-sleep-hygiene"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coping with Delayed Sleep Phase Syndrome<\/title>\n<meta name=\"description\" content=\"Struggling with a delayed sleep cycle? 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