{"id":14075,"date":"2026-09-17T22:00:00","date_gmt":"2026-09-17T20:00:00","guid":{"rendered":"https:\/\/wiserootz.nl\/?p=14075"},"modified":"2026-09-02T12:50:55","modified_gmt":"2026-09-02T10:50:55","slug":"more-energy","status":"publish","type":"post","link":"https:\/\/wiserootz.nl\/en\/meer-energie\/","title":{"rendered":"Why Your Brain Isn\u2019t a Battery: Where Does Your Sense of Energy Come From?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">We talk about our bodies as if they were mobile phones with surprising frequency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We\u2019ve run out of energy. Our battery\u2019s flat. We need to recharge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s a handy metaphor. But from a biological point of view, it\u2019s a rather strange one.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because the feeling&nbsp;<em>\u201cI\u2019ve got no energy\u201d<\/em>&nbsp;does not automatically mean that your body is literally running out of energy. Fatigue is much more complex. It is an experience that arises from a combination of what is happening inside your body, how your brain perceives this, and what it expects will be demanded of you.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And that might explain something that feels familiar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">How is it that, after a long day at work, you can be too tired to do anything \u2014 and then, an hour later, suddenly have the energy for something you\u2019re really looking forward to?<\/p>\n\n\n\n<h2 id=\"h-energie-is-niet-een-ding\" class=\"wp-block-heading\">Energy isn\u2019t just one thing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Energy is constantly being produced and used within your cells. Without that energy, muscles cannot move, nerve cells cannot communicate and organs cannot function.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But that\u2019s not the same as the&nbsp;<strong>a feeling of being energetic<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scientists therefore distinguish between different aspects of energy and fatigue: the subjective experience of energy, physical and mental fatigue, and the extent to which physical exertion actually tires a person.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">They don\u2019t always run perfectly in sync.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You may feel tired even though you\u2019re still physically capable of doing a lot. Conversely, you may feel mentally sharp even though your body clearly needs to recover.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That doesn\u2019t make fatigue any less real. Above all, it shows that our familiar \u2018battery\u2019 model is too simplistic.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz-1024x683.png\" alt=\"sense-of-energy-factors-wise-rootz\" class=\"wp-image-14081\" srcset=\"https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz-1024x683.png 1024w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz-300x200.png 300w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz-768x512.png 768w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz-18x12.png 18w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz-600x400.png 600w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/gevoel-van-energie-factoren-wise-rootz.png 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 id=\"h-vermoeidheid-is-misschien-ook-informatie\" class=\"wp-block-heading\">Fatigue might also be a sign of something<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">An interesting development in neuroscience is that researchers are increasingly viewing fatigue as part of a&nbsp;<strong>control system<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The fact is, your brain doesn\u2019t just react to what\u2019s happening in your body right now. It\u2019s constantly trying to look ahead.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">How much effort is something likely to take? What does my environment require of me? What happened last time? And what signals is my body sending me in the meantime?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This ability to anticipate future needs is described in physiology&nbsp;<strong>allostasis<\/strong>&nbsp;mentioned. How this constant adaptation relates to stress and recovery, l<a href=\"https:\/\/wiserootz.nl\/en\/reduce-stress\/\">Find out more at&nbsp;<strong>stress and allostatic load<\/strong>.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recent scientific models are investigating whether our sense of fatigue arises in part from this interplay between physical signals, expectations and the predicted costs of an action.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In 2026, researchers took things a step further with a new theoretical model linking fatigue and our sense of control to the same predictive processes in the brain. Interesting \u2014 but still very much a model that requires further empirical investigation.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In other words:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fatigue isn\u2019t necessarily just a fuel gauge. It can also be part of the way your body tries to regulate stress.<\/strong><\/p>\n\n\n\n<h2 id=\"h-waarom-heb-je-voor-het-ene-wel-energie\" class=\"wp-block-heading\">Why do you have the energy for one thing but not the other?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Imagine: it\u2019s six o\u2019clock in the evening.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You\u2019ve been working all day and the very thought of having to go shopping feels like too much.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then someone rings with a proposal you\u2019ve been looking forward to for weeks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Suddenly, it seems that energy is coming from somewhere after all.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Of course, your body hasn\u2019t produced a completely new supply of energy in those few seconds.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One of the things that changed was the&nbsp;<strong>value of the effort<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our brain is constantly weighing up the effort involved against the potential reward. Research into&nbsp;<em>effort-based decision-making<\/em>&nbsp;shows that motivation and the willingness to make an effort are partly linked to brain systems in which dopamine plays an important role.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This brings us to another popular simplification.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz-1024x572.jpg\" alt=\"Friends along the way as an illustration of motivation and the energy one feels\" class=\"wp-image-14079\" srcset=\"https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz-1024x572.jpg 1024w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz-300x167.jpg 300w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz-768x429.jpg 768w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz-18x10.jpg 18w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz-600x335.jpg 600w, https:\/\/wiserootz.nl\/wp-content\/uploads\/2026\/08\/motivatie-gevoel-van-energie-wise-rootz.jpg 1376w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 id=\"h-dopamine-is-geen-shot-energie\" class=\"wp-block-heading\">Dopamine isn\u2019t a burst of energy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Online, dopamine is often described as a sort of combination of happiness, motivation and energy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It\u2019s not quite that simple.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dopamine is involved in various processes. Research into motivation shows, amongst other things, that it plays a role in&nbsp;<strong>behavioural activation, effort and weighing up whether a potential reward is worth the effort<\/strong>.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That helps to explain why the amount of energy we&nbsp;<em>experienced<\/em>&nbsp;may also depend on what we want to do.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But that doesn\u2019t mean that tiredness is \u201call in your head\u201d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">After all, your brain is part of your body.<\/p>\n\n\n\n<h2 id=\"h-je-lichaam-doet-er-juist-enorm-toe\" class=\"wp-block-heading\">In fact, your body matters a great deal<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Just because energy is more complex than a battery doesn\u2019t mean that sleep, diet or exercise are suddenly unimportant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On the contrary.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/wiserootz.nl\/en\/sleep-better\/\">Sleepiness, your circadian rhythm<\/a>, physical exertion, nutritional status, illness, stress and recovery all provide information to which your body must respond.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Have some caffeine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Caffeine does not literally give your body new energy. One key mechanism of action is the blocking of adenosine receptors. Adenosine plays a role in regulating sleep and wakefulness. As a result, caffeine can temporarily reduce drowsiness and influence alertness \u2014 but it is no substitute for sleep.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That difference is important:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Influencing how you feel about your energy levels is not always the same as eliminating your need for recovery.<\/strong><\/p>\n\n\n\n<h2 id=\"h-misschien-is-meer-energie-daarom-de-verkeerde-eerste-vraag\" class=\"wp-block-heading\">Perhaps that is why \u201cmore energy\u201d is the wrong question to start with<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When we feel tired, we quickly look for something to help us feel&nbsp;<em>to<\/em>&nbsp;move.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Coffee. A supplement. A cold shower. A better morning routine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes, something like that can fit in perfectly with your day.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But perhaps there is a more interesting question:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Why is my body telling me to take it easier at the moment?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Perhaps you haven\u2019t slept well. Your days may have been too hectic for weeks, or you might not be getting enough exercise. Not eating enough could also be a factor. And sometimes you simply aren\u2019t getting the rest you need.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And sometimes there is no simple explanation for one\u2019s lifestyle.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Persistent or unexplained fatigue can have many different physical or psychological causes and therefore warrants medical assessment.<\/p>\n\n\n\n<h2 id=\"h-meer-energie-begint-niet-altijd-met-harder-gaan\" class=\"wp-block-heading\">Having more energy doesn\u2019t always mean going faster<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">We therefore do not need to view energy as something we must constantly maximise.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some days we feel sharp and driven. On other days, the same tasks suddenly seem to take more effort.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Our bodies are not machines that wake up every morning with exactly the same capacity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Perhaps that is precisely what makes energy so interesting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Not only:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>How can I get more?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But also:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What is my body trying to tell me about what is being asked of me today?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you look at energy in this way, you don\u2019t need to be constantly on the lookout for the next boost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes exercise is what you need. Other times, it\u2019s daylight, food or sleep. Sometimes it\u2019s enthusiasm that gets you moving again.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And sometimes, it\u2019s just a matter of recovery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is precisely this interplay between daily routines, recovery and functioning that is also central to&nbsp;<a href=\"https:\/\/wiserootz.nl\/en\/healthy-ageing-healthspan\/\"><strong>healthspan<\/strong>.<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Energy as a moment of awareness<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes you\u2019re not looking for a substitute for sleep or recovery, but for something that suits an active part of your day. With that in mind, we developed\u00a0<a href=\"https:\/\/wiserootz.nl\/en\/product\/energy-extra-tincture\/\"><strong>Energy Extra<\/strong>\u00a0<\/a>as a botanical formula within the daily Wise Rootz routine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Read more:<\/strong>\u00a0Wondering why Cordyceps is often studied in relation to energy and sport? Read what the science has to say about\u00a0<a href=\"https:\/\/wiserootz.nl\/en\/cordyceps-exercise-performance\/\"><strong>Cordyceps, energy and performance<\/strong>.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Live better. Live longer.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 id=\"h-bronnen\" class=\"wp-block-heading\">Sources<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pizzolla E, et al.&nbsp;<em>Predictive processes linking a sense of agency and fatigue: a novel allostatic framework.<\/em>&nbsp;Frontiers in Psychology, 2026.&nbsp;<\/li>\n\n\n\n<li>Greenhouse-Tucknott A, et al.&nbsp;<em>Towards the unity of pathological and exertional fatigue: A predictive processing model.<\/em>&nbsp;Cognitive, Affective, &amp; Behavioural Neuroscience.&nbsp;<\/li>\n\n\n\n<li>Salamone JD, et al. A study of vigour, motivation and effort-based decision-making.&nbsp;<\/li>\n\n\n\n<li>Reichert CF, et al.&nbsp;<em>Adenosine, caffeine and sleep\u2013wake regulation: the current state of scientific knowledge and future prospects.<\/em>&nbsp;Journal of Sleep Research.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-disclaimer\" class=\"wp-block-heading\">Disclaimer<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><em>This article is intended solely for educational and informational purposes and does not constitute medical advice. Energy levels and fatigue are influenced by a variety of physical, psychological and environmental factors. Persistent, severe or unexplained fatigue may have a medical cause. If you have any health concerns, please consult a qualified healthcare professional.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>We praten opvallend vaak over ons lichaam alsof het een telefoon is. We hebben geen energie meer. Onze batterij is leeg. We moeten opladen. Het is een handige metafoor. Maar biologisch gezien is het een nogal vreemde. Want het gevoel&nbsp;\u201cik heb geen energie\u201d&nbsp;betekent niet automatisch dat je lichaam letterlijk zonder energie zit. Vermoeidheid is veel [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14078,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[231],"tags":[],"class_list":["post-14075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-healthspan"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Meer energie? Waarom je brein geen batterij is<\/title>\n<meta name=\"description\" content=\"Waarom voel je je de ene dag energiek en de andere niet? Ontdek wat wetenschap ons leert over energie, vermoeidheid, motivatie en herstel.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiserootz.nl\/en\/more-energy\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Waarom je brein geen batterij is: waar komt je gevoel van energie vandaan?\" \/>\n<meta property=\"og:description\" content=\"Waarom voel je je de ene dag energiek en de andere niet? 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