{"id":13127,"date":"2026-01-11T07:10:58","date_gmt":"2026-01-11T06:10:58","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/les-nuits-agitees-endommagent-le-cerveau-comment-mieux-dormir\/"},"modified":"2026-01-11T07:10:59","modified_gmt":"2026-01-11T06:10:59","slug":"les-nuits-agitees-endommagent-le-cerveau-comment-mieux-dormir","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/les-nuits-agitees-endommagent-le-cerveau-comment-mieux-dormir\/","title":{"rendered":"Les nuits agit\u00e9es endommagent le cerveau : comment mieux dormir"},"content":{"rendered":"<p><!--$--><\/p>\n<div data-hk=\"00942120a20200\" class=\"Html-Block\" data-qa-article-content-text>\n<ul>\n<li><i>Dans la vid\u00e9o ci-dessus\u00a0: Qu&rsquo;arrive-t-il \u00e0 votre psychisme si vous ne dormez qu&rsquo;apr\u00e8s minuit<\/i><\/li>\n<\/ul>\n<p>Les nuits agit\u00e9es, entrecoup\u00e9es de p\u00e9riodes d&rsquo;\u00e9veil, semblent avoir un impact significativement plus important sur les capacit\u00e9s mentales du lendemain chez les personnes \u00e2g\u00e9es que, par exemple, des dur\u00e9es de sommeil plus courtes. C&rsquo;est la conclusion d&rsquo;une nouvelle \u00e9tude men\u00e9e par une \u00e9quipe de chercheurs de l&rsquo;Universit\u00e9 de Pennsylvanie et de l&rsquo;Albert Einstein College of Medicine de New York.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-mobile-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a20220\" class=\"Html-Block\" data-qa-article-content-text>\n<p>\u00ab\u00a0Quiconque s&rsquo;est d\u00e9j\u00e0 couch\u00e9 trop tard sait que le sommeil peut alt\u00e9rer les capacit\u00e9s cognitives le lendemain\u00a0\u00bb, explique Orfeu Buxton, biologiste du comportement et auteur principal de l&rsquo;\u00e9tude. \u00ab\u00a0Dans cette \u00e9tude, nous voulions d\u00e9couvrir quels aspects de la sant\u00e9 du sommeil ont un impact sur la fonction cognitive diurne afin que les gens sachent comment am\u00e9liorer leur sommeil.\u00a0\u00bb<\/p>\n<\/div>\n<div data-hk=\"00942120a20230\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Des chercheurs \u00e9tudient comment le sommeil affecte la fonction cognitive<\/h2>\n<p>Dans une exp\u00e9rience, les participants qui ont eu des p\u00e9riodes d&rsquo;\u00e9veil plus longues que d&rsquo;habitude la nuit pr\u00e9c\u00e9dente ont obtenu des r\u00e9sultats nettement moins bons lors de t\u00e2ches de r\u00e9flexion courtes, comme le rapporte le groupe dans la revue sp\u00e9cialis\u00e9e \u00ab\u00a0Sleep Health\u00a0\u00bb. En moyenne, les participants dormaient 7,2 heures par nuit et restaient une bonne heure \u00e9veill\u00e9s.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-out\">\n<div id=\"ad-slot-mobile-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a20250\" class=\"Html-Block\" data-qa-article-content-text>\n<p>\u00ab\u00a0Se r\u00e9veiller \u00e0 plusieurs reprises apr\u00e8s s&rsquo;\u00eatre endormi d\u00e9t\u00e9riore la qualit\u00e9 globale de votre sommeil\u00a0\u00bb, explique Buxton. \u00ab\u00a0Nous avons examin\u00e9 divers aspects du sommeil, et la qualit\u00e9 du sommeil est le seul facteur qui affecte les performances cognitives au quotidien.\u00a0\u00bb<\/p>\n<\/div>\n<div id=\"isl-6-AdCarousel\" data-island=\"AdCarouselBase\">\n<div data-hk=\"060\" class=\"Ad-Carousel mt-xl mb-xl\">\n<div class=\"keen-slider Ad-Carousel-Slider-Container\">\n<div data-hk=\"00\" class=\"col-lg-4\">\n<div data-hk=\"0104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver\" role=\"region\" aria-label=\"Anzeige 1\">\n<div id=\"ad-slot-desktop-ver-1\" data-orientation=\"ver\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<div data-hk=\"02\" class=\"col-lg-4\">\n<div data-hk=\"0310\" class=\"LinkBox_ForDesktop News-Feed-Box-Container\">\n<div data-hk=\"03110\" class=\"LinkBox_Container LinkBox_Container--Expanded\">\n<h3 class=\"LinkBox_Container--Title pl-0\"><span class=\"LinkBox_Container--TitleText\">En savoir plus sur la section guide de sant\u00e9<\/span><!--$--><!--\/--><\/h3>\n<p><!--$--><\/p>\n<div data-hk=\"031130\" class=\"RUC-Carousel RUC-Carousel--Bottom RUC-Carousel--Arrows \">\n<div class=\"keen-slider RUC-Carousel-List\">\n<div data-hk=\"0311310\" class=\"RUC-Carousel-Item\">\n<ul data-hk=\"0311311\"><!--$--><\/p>\n<li data-hk=\"03113120\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131230\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">\u00ab Avoir une autre perspective sur la vie \u00bb : Nino (16 ans) vit d\u00e9sormais avec un t\u00e9l\u00e9phone portable \u00e0 clavier<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131240\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Samedi<!--\/-->, <!--$-->01\/10\/2026<!--\/--> | <!--$-->16h58<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<li data-hk=\"03113125\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131280\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Il y a cinq choses simples que je fais chaque jour pour ne jamais avoir de crise cardiaque<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131290\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Samedi<!--\/-->, <!--$-->01\/10\/2026<!--\/--> | <!--$-->10h26<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<li data-hk=\"0311312a10\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"0311312a130\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Douze signes de cancer que les hommes ignorent souvent<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"0311312a140\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Samedi<!--\/-->, <!--$-->01\/10\/2026<!--\/--> | <!--$-->07h00<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<p><!--\/--><!--$--><!--\/--><\/ul>\n<\/div>\n<div data-hk=\"0311314\" class=\"RUC-Carousel-Item\">\n<ul data-hk=\"0311315\"><!--$--><\/p>\n<li data-hk=\"03113160\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131630\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Les substances pr\u00e9sentes dans les saucisses augmentent le risque de cancer \u2013 et comment le r\u00e9duire<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131640\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Vendredi<!--\/-->, <!--$-->9 janvier 2026<!--\/--> | <!--$-->14h49<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<li data-hk=\"03113165\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131680\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Quatre conseils simples\u00a0: Comment r\u00e9duire votre risque d\u2019accident vasculaire c\u00e9r\u00e9bral et de d\u00e9mence<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131690\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Vendredi<!--\/-->, <!--$-->9 janvier 2026<!--\/--> | <!--$-->08h42<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<li data-hk=\"0311316a10\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"0311316a130\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Pr\u00e9venir un accident vasculaire c\u00e9r\u00e9bral \u2013 de nombreuses personnes ne pr\u00eatent m\u00eame pas attention \u00e0 un facteur de risque<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"0311316a140\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Jeudi<!--\/-->, <!--$-->8 janvier 2026<!--\/--> | <!--$-->15h44<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<p><!--\/--><!--$--><!--\/--><\/ul>\n<\/div>\n<div data-hk=\"0311318\" class=\"RUC-Carousel-Item\">\n<ul data-hk=\"0311319\"><!--$--><\/p>\n<li data-hk=\"031131a100\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131a1030\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Si vous voulez \u00e9viter l\u2019hypertension art\u00e9rielle, vous devriez manger ces aliments<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131a1040\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Jeudi<!--\/-->, <!--$-->8 janvier 2026<!--\/--> | <!--$-->08h28<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<li data-hk=\"031131a105\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131a1080\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Comment pouvez-vous enfin \u00eatre satisfait du principe de temp\u00eate en 2026<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131a1090\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Mercredi<!--\/-->, <!--$-->01\/07\/2026<!--\/--> | <!--$-->10h36<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<li data-hk=\"031131a10a10\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131a10a130\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">Si vous ne faites pas ces quatre exercices, vous aurez des probl\u00e8mes en vieillissant<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131a10a140\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Mercredi<!--\/-->, <!--$-->01\/07\/2026<!--\/--> | <!--$-->06h00<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<p><!--\/--><!--$--><!--\/--><\/ul>\n<\/div>\n<div data-hk=\"031131a12\" class=\"RUC-Carousel-Item\">\n<ul data-hk=\"031131a13\"><!--$--><\/p>\n<li data-hk=\"031131a140\"><!--$--><!--\/-->\n<div class=\"LinkBox_Link--Content\">\n<div class=\"Square\"><!--$--><!--\/--><!--$--><span data-hk=\"031131a1430\" class=\"LinkBox_Link--Description LinkBox_Link--Truncate\">L\u2019hypertension art\u00e9rielle tue \u2013 mais il existe trois \u00e9tapes simples pour vous prot\u00e9ger<\/span><!--\/--><\/div>\n<p><!--$--><span data-hk=\"031131a1440\" class=\"LinkBox_Link--Date LinkBox_Link--Truncate\"><!--$-->Mardi<!--\/-->, <!--$-->01\/06\/2026<!--\/--> | <!--$-->06h00<!--\/--><\/span><!--\/--><\/div>\n<\/li>\n<p><!--\/--><!--$--><!--\/--><\/ul>\n<\/div>\n<\/div>\n<\/div>\n<p><!--\/--><\/div>\n<\/div>\n<\/div>\n<div data-hk=\"04\" class=\"col-lg-4\">\n<aside data-hk=\"0504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-ver-2\" data-orientation=\"ver\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<p><!--$--><!--\/--><!--$--><!--\/--><\/div>\n<\/div>\n<div data-hk=\"00942120a20270\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Un sommeil interrompu ralentit le cerveau le lendemain<\/h2>\n<p>Pour l\u2019\u00e9tude, 261 sujets de plus de 70 ans \u00e0 New York portaient des bracelets num\u00e9riques, semblables \u00e0 des montres intelligentes, qui suivaient leurs phases de sommeil et d\u2019\u00e9veil pendant 16 jours. En outre, ils ont re\u00e7u six fois par jour sur leur smartphone de petits casse-t\u00eate ludiques, d&rsquo;une dur\u00e9e d&rsquo;environ quatre minutes chacun, ciblant diverses capacit\u00e9s mentales, telles que la m\u00e9moire de travail visuelle, la m\u00e9moire spatiale ou la vitesse de traitement des informations.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202804\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-3\" data-orientation=\"hor\" data-index=\"3\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a20290\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Les participants qui \u00e9taient \u00e9veill\u00e9s plus de 30 minutes de plus que d\u2019habitude la nuit pr\u00e9c\u00e9dente ont montr\u00e9 une vitesse de traitement des informations nettement plus lente. \u00c9tonnamment, la dur\u00e9e du sommeil et les siestes de la veille n\u2019ont eu aucun effet mesurable sur la qualit\u00e9 du sommeil.<\/p>\n<\/div>\n<div data-hk=\"00942120a202a100\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Am\u00e9liorer la qualit\u00e9 du sommeil peut retarder la d\u00e9mence<\/h2>\n<p>L&rsquo;\u00e9quipe a compar\u00e9 les r\u00e9sultats des seniors non seulement en termes de nuits meilleures et pires pour chaque sujet test\u00e9, mais \u00e9galement en termes de diff\u00e9rences entre diff\u00e9rentes personnes. <\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-4\" data-orientation=\"hor\" data-index=\"4\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a120\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Il s&rsquo;est av\u00e9r\u00e9 que ceux qui dormaient g\u00e9n\u00e9ralement moins bien, c&rsquo;est-\u00e0-dire qui passaient plus de temps \u00e9veill\u00e9s la nuit, avaient de moins bons r\u00e9sultats dans trois tests cognitifs sur quatre &#8211; en plus des t\u00e2ches impliquant le traitement de l&rsquo;information, ils avaient \u00e9galement de moins bons r\u00e9sultats dans deux t\u00e2ches n\u00e9cessitant une m\u00e9moire de travail visuelle.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1304\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"00942120a202a140\" class=\"Html-Block\" data-qa-article-content-text>\n<p>La co-auteure et neurologue Carol Derby a soulign\u00e9 que les r\u00e9sultats pourraient fournir des informations sur les personnes pr\u00e9sentant un risque accru de d\u00e9mence, par exemple. Sur de longues p\u00e9riodes, les probl\u00e8mes de sommeil peuvent \u00eatre li\u00e9s \u00e0 une diminution des capacit\u00e9s mentales et au d\u00e9veloppement de maladies d\u00e9mentielles telles que la maladie d&rsquo;Alzheimer, selon les auteurs. Am\u00e9liorer la qualit\u00e9 du sommeil peut donc retarder la d\u00e9mence, explique Derby.<\/p>\n<\/div>\n<aside data-hk=\"00942120a202a1504\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-5\" data-orientation=\"hor\" data-index=\"5\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"00942120a202a160\" class=\"Html-Block\" data-qa-article-content-text>\n<h2>Comment mieux dormir<\/h2>\n<p>Mais c\u2019est souvent plus facile \u00e0 dire qu\u2019\u00e0 faire pour les personnes concern\u00e9es. Comment am\u00e9liorer la qualit\u00e9 du sommeil ? Les auteurs de l&rsquo;\u00e9tude ont quelques recommandations : si possible, vous devriez vous coucher \u00e0 la m\u00eame heure dans un environnement calme et sombre et \u00e9viter de passer du temps devant un \u00e9cran juste avant de vous endormir. <\/p>\n<\/div>\n<div data-hk=\"00942120a202a170\" class=\"Html-Block\" data-qa-article-content-text>\n<p>Si les probl\u00e8mes de sommeil persistent, la th\u00e9rapie cognitivo-comportementale peut aider. Cependant, les chercheurs d\u00e9conseillent les m\u00e9dicaments. Et Buxton donne un autre conseil tr\u00e8s simple : \u00ab\u00a0Mon conseil le plus important est de ne pas s&rsquo;inqui\u00e9ter des probl\u00e8mes de sommeil. S&rsquo;inqui\u00e9ter ne fait que provoquer du stress, qui peut perturber davantage le sommeil.\u00a0\u00bb<\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans la vid\u00e9o ci-dessus\u00a0: Qu&rsquo;arrive-t-il \u00e0 votre psychisme si vous ne dormez qu&rsquo;apr\u00e8s minuit Les<\/p>\n","protected":false},"author":1,"featured_media":13128,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[8407,585,182,2898,8408,49,2260,8406],"class_list":["post-13127","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-agitees","tag-cerveau","tag-comment","tag-dormir","tag-endommagent","tag-les","tag-mieux","tag-nuits","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - 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