{"id":6657,"date":"2026-09-30T09:45:00","date_gmt":"2026-09-30T09:45:00","guid":{"rendered":"https:\/\/bioprofile.com\/?p=6657"},"modified":"2026-10-01T20:07:59","modified_gmt":"2026-10-01T20:07:59","slug":"afternoon-dip-why-energy-drops-after-lunch","status":"publish","type":"post","link":"https:\/\/bioprofile.com\/en\/afternoon-dip-why-energy-drops-after-lunch\/","title":{"rendered":"Afternoon dip: why your energy drops away after lunch, how long the dip lasts and what helps"},"content":{"rendered":"\n<article class=\"wp-block-group bp-blog is-layout-flow wp-block-group-is-layout-flow\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n<link rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@300;400;500;600;700&#038;display=swap\">\n<style id=\"bp-blog-design\">\n.bp-blog {\n  --bp-ink: #212527; --bp-teal: #005859; --bp-teal-deep: #006B62; --bp-emerald: #228A62;\n  --bp-green: #7CA74D; --bp-lime: #B7CB33; --bp-lime-soft: #B7CB3329; --bp-green-aa: #4F6B28;\n  --bp-beige: #EDEAE5; --bp-sand: #DBD4CB; --bp-pale-teal: #D9E6E6; --bp-white: #FFFFFF;\n  --bp-foot: #6b6b6b;\n  --bp-font: 'Poppins','Segoe UI',Arial,sans-serif;\n  --bp-fs-h1: 40px; --bp-fs-h2: 29px; --bp-fs-h3: 21px; --bp-fs-body: 17px;\n  --bp-fs-lead: 19px; --bp-fs-small: 14px; --bp-fs-foot: 13px; --bp-fs-btn: 17px;\n  --bp-lh-body: 1.75;\n  --bp-s-2: 8px; --bp-s-3: 12px; --bp-s-4: 16px; --bp-s-5: 24px; --bp-s-6: 32px;\n  --bp-s-7: 44px; --bp-s-8: 72px;\n  --bp-measure: 875px; --bp-prose: 875px; --bp-side: 40px; --bp-portrait: 132px;\n  --bp-radius-card: 20px; --bp-radius-btn: 10px; --bp-radius-chip: 999px;\n  --bp-shadow: 0 10px 30px rgba(0,88,89,0.10); --bp-shadow-soft: 0 2px 10px rgba(0,88,89,0.06);\n  font-family: var(--bp-font); font-size: var(--bp-fs-body); line-height: var(--bp-lh-body);\n  color: var(--bp-ink); background: var(--bp-white); -webkit-font-smoothing: antialiased;\n}\n.bp-blog, .bp-blog * { box-sizing: border-box; }\n.bp-blog p, .bp-blog li, .bp-blog h1, .bp-blog h2, .bp-blog h3, .bp-blog a, .bp-blog td,\n.bp-blog th, .bp-blog cite { overflow-wrap: break-word; min-width: 0; }\n.bp-blog h1, .bp-blog h2, .bp-blog h3 { text-wrap: balance; }\n.bp-blog p, .bp-blog li { text-wrap: pretty; }\n\/* WordPress core's flow layout puts 24px above every child after the first; inside\n   a grid or a flex row that is a misalignment (measured on the scan pages 2026-08-21) *\/\n.bp-blog .bp-blog-author > *, .bp-blog .bp-blog-related > *, .bp-blog .bp-blog-verify > * { margin-block: 0; }\n\n\/* --- sections: one column, the article measure, the section rhythm ------------ *\/\n.bp-blog-sec { position: relative; background: var(--bp-white); margin-block: 0;\n  padding-block: var(--bp-s-7);\n  padding-inline: max(var(--bp-side), calc((100% - var(--bp-measure)) \/ 2)); }\n.bp-blog-sec > *:last-child { margin-block-end: 0; }\n.bp-blog-sec > p, .bp-blog-sec > ul, .bp-blog-sec > ol, .bp-blog-sec > .wp-block-quote,\n.bp-blog-sec > .bp-blog-faq-item, .bp-blog-sec > .bp-blog-takeaways, .bp-blog-sec > .bp-blog-toc,\n.bp-blog-sec > .bp-blog-refs, .bp-blog-sec > .bp-blog-srclead { max-width: var(--bp-prose); }\n.bp-blog-sec--head { padding-block: var(--bp-s-7) 0; }\n.bp-blog-sec--body { padding-block: var(--bp-s-6) var(--bp-s-7); }\n.bp-blog-sec--beige { background: var(--bp-beige); }\n.bp-blog-sec--wash { background: linear-gradient(180deg, #B7CB331A 0%, #B7CB330D 100%), #FFFFFF; }\n.bp-blog-sec--tight { padding-block: var(--bp-s-6); }\n\/* A COLOURED SECTION IS A PANEL, so it carries the panel radius. 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That matters, because lunch is usually named as the cause, while the measurements show the same pattern with or without food. <a href=\"https:\/\/bioprofile.com\/en\/scan-fatigue-test\/\">The BioProfile energy scan<\/a> measures how much these complaints affect you and shows where you stand today, as the first of the 11 health areas that the full scan assesses. This is not a diagnosis. It is insight, to help you make better choices in your food and your daily life. Pointing to a cause is work for a doctor.<\/p>\n\n\n\n<div class=\"wp-block-group bp-blog-takeaways is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">In short<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>The afternoon dip runs on the clock: in 12 healthy adults the sleep onset times were shortest in the early afternoon, with a second peak in sleep propensity at about 14:00, independent of food intake.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/li>\n\n\n<li>Blue enriched bright light after lunch brought 17 students to a subjective sleepiness of 3.47 (SD 0.49) against 5.47 (SD 0.63) under normal light.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/li>\n\n\n<li>Across 11 studies with 381 people in good health, a short sleep gave an effect size for alertness of 0.29 (95% CI 0.10 to 0.48).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup><\/li>\n\n\n<li>An energy scan measures how much fatigue you are carrying and gives you a starting value. It is not a diagnosis.<\/li>\n\n<\/ul>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-toc is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-toclabel wp-block-paragraph\">Contents<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n\n<li><a href=\"#waarom-het-de-middag-is-en-niet-alleen-je-lunch\">Why it is the afternoon, and not just your lunch<\/a><\/li>\n\n\n<li><a href=\"#waarom-het-na-de-lunch-harder-aankomt\">Why it hits harder after lunch<\/a><\/li>\n\n\n<li><a href=\"#hoe-lang-een-middagdip-duurt\">How long an afternoon dip lasts<\/a><\/li>\n\n\n<li><a href=\"#wat-helpt-in-het-uur-zelf\">What helps in the hour itself<\/a><\/li>\n\n\n<li><a href=\"#wat-de-dip-van-dag-tot-dag-kleiner-maakt\">What makes the dip smaller from day to day<\/a><\/li>\n\n\n<li><a href=\"#wat-een-energiescan-meet-en-waar-een-arts-het-overneemt\">What an energy scan measures, and where a doctor takes over<\/a><\/li>\n\n\n<li><a href=\"#samengevat\">In summary<\/a><\/li>\n\n\n<li><a href=\"#veelgestelde-vragen\">Frequently asked questions<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"waarom-het-de-middag-is-en-niet-alleen-je-lunch\">Why it is the afternoon, and not just your lunch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In a laboratory study, 12 healthy adults were given the chance to sleep every 2 hours from 08:00 to 24:00. Sleep onset times on the multiple sleep latency test were shortest in the early afternoon, with a second peak in sleep tendency at around 14:00. Sleep onset REM episodes fell from 83 percent at 08:00 to 0 percent between 20:00 and 22:00, which makes the mid afternoon dip a circasemidian phenomenon, independent of food intake.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What that means for you: sleep pressure builds twice every 24 hours, once at night and once in the early afternoon, whether you have eaten or not.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"waarom-het-na-de-lunch-harder-aankomt\">Why it hits harder after lunch<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Your meal still shapes how the afternoon feels. About 1 to 2 hours after eating, your blood glucose is back at normal values, through insulin from the pancreas.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup> What glucose does to thinking is less settled than the lunch story suggests: in a systematic review of 11 neuroimaging studies, 5 of the 11 reported significant behavioural cognitive changes after glucose intake in healthy participants, while 10 of the 11 reported modulation of neurophysiological or neuroimaging markers.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the brain clearly responds to glucose, while a measurable change in performance showed up in about half of those studies. Lunch may colour how your dip feels. The clock sets the timing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hoe-lang-een-middagdip-duurt\">How long an afternoon dip lasts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A dip is a stretch of time rather than a stopwatch. The measured peak in sleep propensity lies at about 14:00 and sleep pressure drops towards the evening, with sleep onset REM episodes down to 0 per cent between 20:00 and 22:00.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> Your blood glucose is back to normal values about 1 to 2 hours after a meal.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the time window belongs to an afternoon. Tiredness that runs on from waking up to bedtime is something else, and the section on the GP below is for that.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-helpt-in-het-uur-zelf\">What helps in the hour itself<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Light is the best measured of the quick options. In 17 students, 11 of them female, average age 20.47 years, subjective sleepiness after a post-lunch condition in which they were kept from napping was 3.47 (SD 0.49) under blue-enriched bright light of 1000 lx at 6500 K, against 5.47 (SD 0.63) under normal light, and working memory accuracy on the Paced Visual Serial Addition Test was 0.78 against 0.63 (SD 0.03 in both).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A small group and a bright lamp, so read it as a direction: light early in the afternoon made people less sleepy and more accurate. The study used a lamp; a walk outside or a spot by the window is an untested tip for every day.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A short sleep is the other measured option. A meta-analysis of 11 studies with 381 healthy working-age adults and students found an effect size for alertness of 0.29 (95% CI 0.10 to 0.48), and an effect size of 0.28 (95% CI 0.10 to 0.46) for overall cognitive performance with naps taken before 1 pm.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modest effects in people in good health: a short sleep in the early afternoon makes you slightly more alert than sitting the hour out.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-de-dip-van-dag-tot-dag-kleiner-maakt\">What makes the dip smaller from day to day<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You cannot prevent an afternoon dip, because the rhythm carries on without food, so the useful question is how deep your dip needs to be. Sleep problems are common: in 2024, more than 1 in 4 Dutch people aged 12 and over reported sleep problems, 31 per cent of women against 21 per cent of men.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That survey counts sleep problems; it does not measure how deep an afternoon dip gets. Your nights, the light at your workplace and when you take a nap are things you can change yourself.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-een-energiescan-meet-en-waar-een-arts-het-overneemt\">What an energy scan measures, and where a doctor takes over<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The energy scan asks five questions about the past two weeks: your energy through the day, energy dips, how much you lean on caffeine, getting physically tired, and being too worn out to do things. The answers become an energy score from 0 to 100, with the reading band the score falls into. Repeat the scan two weeks later and you have two numbers instead of a memory.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A questionnaire cannot point to the cause of tiredness. Short nights, a low mood, a slow thyroid, low iron and swinging blood glucose all read the same way in a list of questions. So the score is self-insight and a starting value. It is not a diagnosis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thuisarts advises calling the GP if tiredness lasts longer than a month, or if there are extra complaints alongside it such as sweating at night, thirst with passing a lot of urine, shortness of breath on light exertion, palpitations, or a lasting low mood.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup> Tiredness that lasts longer than 6 months, with clearly reduced daily functioning and no other cause found, is the point at which chronic fatigue as a syndrome becomes a question for a doctor.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"samengevat\">In summary<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The afternoon dip comes first and foremost from a biological clock that raises sleep pressure in the middle of the day, with or without a meal.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> Lunch may colour how it feels, while the effect of glucose on performance varies from study to study.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a>,<a href=\"#bronnen\">4<\/a><\/sup> Light and a short sleep early in the afternoon shifted sleepiness and accuracy in measured groups,\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a>,<a href=\"#bronnen\">3<\/a><\/sup> and sleep problems are common in the Netherlands.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup> An energy score tells you how much fatigue you are carrying. It is not a diagnosis, and tiredness that lasts longer than a month is one for your GP.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-cta is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">Measure where you start<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Five questions about the past two weeks, about three minutes, and your energy score is in your dashboard. What the energy scan measures and what the scan is based on is on the scan page.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/bioprofile.com\/en\/scan-fatigue-test\/\">Start the energy scan<\/a><\/div>\n\n<\/div>\n\n\n\n<p class=\"bp-blog-ctamicro wp-block-paragraph\">Free, about 3 minutes. An analysis of your answers, never a diagnosis. <a href=\"https:\/\/bioprofile.com\/en\/free-health-check-tests\/\">All health scans<\/a><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--wash is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"veelgestelde-vragen\">Frequently asked questions<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">What helps against an afternoon dip?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Blue enriched bright light of 1000 lx at 6500 K, which brought students to a subjective sleepiness of 3.47 against 5.47 under normal light,\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">2<\/a><\/sup> and a short sleep, with an effect size for alertness of 0.29 (95% CI 0.10 to 0.48).\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">3<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">How long does an afternoon dip last?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The measured peak in sleep propensity lies at about 14:00 and sleep pressure drops towards the evening, with sleep onset REM episodes at 0 per cent between 20:00 and 22:00.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> Your blood glucose is back to normal values about 1 to 2 hours after a meal.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">4<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Why do I sink after lunch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Partly the clock, which drops away with or without food.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">1<\/a><\/sup> Partly the meal: 5 of the 11 neuroimaging studies reported a significant behavioural cognitive change after glucose intake in healthy participants.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">5<\/a><\/sup><\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-faq-item is-layout-flow wp-block-group-is-layout-flow\">\n\n<h3 class=\"wp-block-heading\">Can you avoid an afternoon dip altogether?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You cannot switch off a rhythm that carries on without food, so focus on how deep it goes. Sleep problems are common: more than 1 in 4 Dutch people aged 12 and over reported sleep problems in 2024.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">6<\/a><\/sup> Tiredness that lasts longer than a month is one for your GP.\u2060<sup class=\"bp-blog-sup\"><a href=\"#bronnen\">7<\/a><\/sup><\/p>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--beige bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\" id=\"bronnen\">Sources<\/h2>\n\n\n\n<p class=\"bp-blog-srclead wp-block-paragraph\">Every source below was checked on the day this article was published. The numbering follows the text.<\/p>\n\n\n\n<ol class=\"wp-block-list bp-blog-refs\">\n\n<li>Bes F, Jobert M, Schulz H. Modeling napping, post-lunch dip, and other variations in human sleep propensity. Sleep. 2009;32(3):392 to 398. <a href=\"https:\/\/doi.org\/10.1093\/sleep\/32.3.392\">doi.org\/10.1093\/sleep\/32.3.392<\/a><\/li>\n\n\n<li>Zhou Y, Chen Q, Luo X, Li L, Ru T, Zhou G. Does bright light counteract the post lunch dip in subjective states and cognitive performance among undergraduate students? Frontiers in Public Health. 2021;9:652849. <a href=\"https:\/\/doi.org\/10.3389\/fpubh.2021.652849\">doi.org\/10.3389\/fpubh.2021.652849<\/a><\/li>\n\n\n<li>Dutheil F, Danini B, Bagheri R, et al. Effects of a short daytime nap on the cognitive performance: a systematic review and meta analysis. International Journal of Environmental Research and Public Health. 2021;18(19):10212. <a href=\"https:\/\/doi.org\/10.3390\/ijerph181910212\">doi.org\/10.3390\/ijerph181910212<\/a><\/li>\n\n\n<li>Voedingscentrum. Koolhydraten (encyclopedie). <a href=\"https:\/\/www.voedingscentrum.nl\/encyclopedie\/koolhydraten.aspx\">voedingscentrum.nl<\/a><\/li>\n\n\n<li>Peters R, White D, Cleeland C, Scholey A. Fuel for thought? A systematic review of neuroimaging studies into glucose enhancement of cognitive performance. Neuropsychology Review. 2020;30(2):234 to 250. <a href=\"https:\/\/doi.org\/10.1007\/s11065-020-09431-x\">doi.org\/10.1007\/s11065-020-09431-x<\/a><\/li>\n\n\n<li>VZinfo (RIVM and CBS). Sleep problems by age and sex, based on the CBS Health Survey 2024. <a href=\"https:\/\/www.vzinfo.nl\/slaapproblemen\/leeftijd-en-geslacht\">vzinfo.nl<\/a><\/li>\n\n\n<li>Thuisarts.nl (NHG). I am tired. What could it be? <a href=\"https:\/\/www.thuisarts.nl\/moeheid\/ik-ben-moe-wat-kan-zijn\">thuisarts.nl<\/a><\/li>\n\n<\/ol>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--tight is-layout-flow wp-block-group-is-layout-flow\">\n\n<h2 class=\"wp-block-heading\">Written by<\/h2>\n\n\n\n<div class=\"wp-block-group bp-blog-author is-layout-flow wp-block-group-is-layout-flow\">\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"320\" height=\"320\" src=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320.jpg\" alt=\"Jesse van der Velde\" class=\"wp-image-4815\" srcset=\"https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320.jpg 320w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320-300x300.jpg 300w, https:\/\/bioprofile.com\/wp-content\/uploads\/2026\/07\/author-jesse-round-320-150x150.jpg 150w\" sizes=\"(max-width: 320px) 100vw, 320px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-group bp-blog-authorid is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorrole wp-block-paragraph\">Founder of BioProfile<\/p>\n\n\n\n<p class=\"bp-blog-authorname wp-block-paragraph\">Jesse van der Velde<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-authorbody is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorbio wp-block-paragraph\">Jesse van der Velde has been guiding people to a new body and optimal health since 2006, and has written or co-written fifteen books on nutrition and health. Forever Young (2012) and Superfood Recipes (2013) both reached number 1 in the Netherlands.<\/p>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-authormeta is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-authorbio wp-block-paragraph\"><a href=\"https:\/\/nl.linkedin.com\/in\/jessevdv\">LinkedIn<\/a><\/p>\n\n\n\n<p class=\"bp-blog-dates wp-block-paragraph\">Published on 30 September 2026 \u00b7 Last updated on 30 September 2026<\/p>\n\n<\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group bp-blog-sec bp-blog-sec--foot is-layout-flow wp-block-group-is-layout-flow\">\n\n<p class=\"bp-blog-legal wp-block-paragraph\">BioProfile analyses your health status to guide you and your coach. It does not make a diagnosis, only a doctor can do that. Built on validated health questionnaires; the combined BioProfile score is not itself a validated clinical instrument yet. Your answers stay private (GDPR).<\/p>\n\n<\/div>\n\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>Why your energy drops away in the early afternoon, how long an afternoon dip lasts, what bright light and a short sleep do, and what an energy scan measures.<\/p>\n","protected":false},"author":18,"featured_media":6205,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_meta-robots-noindex":"2","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_opengraph-image-id":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_twitter-image-id":"","inline_featured_image":false,"footnotes":""},"categories":[75],"tags":[],"class_list":["post-6657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energy-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Afternoon dip: why it happens and what 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