You're sleeping well, your schedule isn't any busier than usual\u2026 and yet, you feel tired. If this feeling sounds familiar in March, you're not alone. This dip in energy, often mentioned at the end of winter, actually corresponds to a period of adjustment for the body.<\/p>\n
March marks a pivotal moment between two seasons. After several winter months, your body must gradually adapt to a changing environment: the days are getting longer, temperatures are changing, and natural light is becoming more present.<\/p>\n
These changes may<\/a> seem subtle, but they actually require your body to adapt. Like an engine restarting gently after a long break, your body is adjusting its settings. During this transition phase, some people experience unusual fatigue, a feeling of sluggishness, or a lack of energy. This is perfectly normal: your biological rhythm is simply recalibrating.<\/p>\n One of the main factors behind this seasonal fatigue is natural light. It plays a vital role in the functioning of your biological clock, also known as your circadian rhythm. As the days lengthen in spring, your body needs to adjust its production of certain hormones. One of the most important is melatonin, the hormone that regulates sleep.<\/p>\n During winter, low light levels promote increased melatonin production. When light suddenly increases in spring, your body needs to rebalance this mechanism. This readjustment can<\/a> temporarily disrupt your sleep-wake cycle. As a result, you may feel low on energy even after a good night's sleep.<\/p>\n The end of winter can also affect your energy levels for other reasons. During the colder months, lifestyle habits often change: less light, more time spent indoors, and sometimes less physical activity. Sun exposure, for example, plays an important role in maintaining certain bodily balances. After several months of low light levels, your body may need time to readjust to a more dynamic rhythm.<\/p>\n Some researchers refer to this as seasonal fatigue<\/a> . It's not a problem of motivation or a lack of willpower: your body is simply going through a period of adjustment. Your body isn't "behind schedule." It's evolving at its own pace.<\/p>\n As if this transition weren't enough, another element sometimes disrupts the balance: the switch to summer time, usually at the end of March. This one-hour shift may seem minimal, but it slightly alters the internal clock. Even such a small change can affect sleep quality for a few days. Some people then notice increased drowsiness, fatigue, or difficulty concentrating. The good news: the body usually adapts quickly.<\/p>\n To support your body through this transition, a few simple habits can make all the difference.<\/p>\n In short, if you feel tired in March, there's no need to feel guilty. This feeling is common and, in most cases, temporary. Your body is simply transitioning smoothly from winter to spring. And like any living organism, it deserves the time and attention it needs to regain its strength.<\/p>\n","protected":false},"excerpt":{"rendered":"You're sleeping well, your schedule isn't any busier than usual\u2026 and yet, you feel tired. If this feeling...","protected":false},"author":8375,"featured_media":436633,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"disable_msn":false,"footnotes":""},"categories":[5639],"tags":[],"class_list":["post-436622","post","type-post","status-publish","format-standard","has-post-thumbnail","category-bien-etre"],"image":{"medium":["https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/03\/ce-que-mois-mars-change-rythmes-200x113.jpg",200,113,true],"large":["https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/03\/ce-que-mois-mars-change-rythmes-500x281.jpg",500,281,true]},"custom":{"td_video":"","featured_image":"https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/03\/ce-que-mois-mars-change-rythmes.jpg","author":{"name":"Fabienne Baure","avatar":"https:\/\/www.ma-grande-taille.com\/wp-content\/uploads\/2026\/10\/fabienne_baure-96x96.jpg"},"categories":[{"term_id":5639,"name":"Well-being","slug":"bien-etre","term_group":0,"term_taxonomy_id":5804,"taxonomy":"category","description":" The Well-being section of The Body Optimist shares practical advice on staying active, sleeping better, managing stress and understanding everyday aches and pains. Written for women of every size and body type, it starts from a simple idea: taking care of your body works best through enjoyment and consistency, not pressure or guilt.<\/p>\n When you return to physical activity, consistency matters more than intensity. A few ways to ease back in:<\/p>\n Everyday movement counts too: walking or biking to get around, taking the stairs and gardening all add up as physical activity.<\/p>\n Here, your body isn't a project to fix. We talk about exercise for pleasure, mood and health, never as a way to \u201cmake up for\u201d a meal or to lose weight, and every tip should work for you whatever your body type. The articles in this section provide general information and do not replace advice from a healthcare professional.<\/p>\n The World Health Organization recommends that adults get at least 150 minutes of moderate-intensity aerobic activity per week, such as brisk walking. It also stresses that some activity is better than none: every session counts, even a short one, and what matters most is finding a pace you can keep up over the long run.<\/p>\n Consistency is the first lever: go to bed and get up at similar times, weekends included. A quiet, dark, cool bedroom, less screen time in the evening and a dinner that isn't too late all make it easier to fall asleep. Loud snoring or waking up gasping for air is worth mentioning to your doctor.<\/p>\n Ongoing fatigue can have many causes: lack of sleep, stress or mental overload, but also iron deficiency, a thyroid disorder or depression. If it lasts several weeks despite rest, or comes with other symptoms, see your doctor to find out what's behind it.<\/p>\n Want to go further? Explore all our topics in the Health section<\/a>, follow moms-to-be in the Pregnancy section<\/a> and enjoy a varied way of eating, without restriction, with the Nutrition section<\/a>.<\/p>","parent":360,"count":1714,"filter":"raw","cat_ID":5639,"category_count":1714,"category_description":" The Well-being section of The Body Optimist shares practical advice on staying active, sleeping better, managing stress and understanding everyday aches and pains. Written for women of every size and body type, it starts from a simple idea: taking care of your body works best through enjoyment and consistency, not pressure or guilt.<\/p>\n When you return to physical activity, consistency matters more than intensity. A few ways to ease back in:<\/p>\n Everyday movement counts too: walking or biking to get around, taking the stairs and gardening all add up as physical activity.<\/p>\n Here, your body isn't a project to fix. We talk about exercise for pleasure, mood and health, never as a way to \u201cmake up for\u201d a meal or to lose weight, and every tip should work for you whatever your body type. The articles in this section provide general information and do not replace advice from a healthcare professional.<\/p>\n The World Health Organization recommends that adults get at least 150 minutes of moderate-intensity aerobic activity per week, such as brisk walking. It also stresses that some activity is better than none: every session counts, even a short one, and what matters most is finding a pace you can keep up over the long run.<\/p>\n Consistency is the first lever: go to bed and get up at similar times, weekends included. A quiet, dark, cool bedroom, less screen time in the evening and a dinner that isn't too late all make it easier to fall asleep. Loud snoring or waking up gasping for air is worth mentioning to your doctor.<\/p>\n Ongoing fatigue can have many causes: lack of sleep, stress or mental overload, but also iron deficiency, a thyroid disorder or depression. If it lasts several weeks despite rest, or comes with other symptoms, see your doctor to find out what's behind it.<\/p>\n Want to go further? Explore all our topics in the Health section<\/a>, follow moms-to-be in the Pregnancy section<\/a> and enjoy a varied way of eating, without restriction, with the Nutrition section<\/a>.<\/p>","cat_name":"Well-being","category_nicename":"bien-etre","category_parent":360}]},"_links":{"self":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts\/436622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/users\/8375"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/comments?post=436622"}],"version-history":[{"count":3,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts\/436622\/revisions"}],"predecessor-version":[{"id":436634,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/posts\/436622\/revisions\/436634"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/media\/436633"}],"wp:attachment":[{"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/media?parent=436622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/categories?post=436622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ma-grande-taille.com\/en\/wp-json\/wp\/v2\/tags?post=436622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} Light, the conductor of your internal clock<\/h2>\n
Winter sometimes leaves a few traces<\/h2>\n
The time change, a small, discreet disruptor<\/h2>\n
A few steps to regain your energy<\/h2>\n
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What you'll find in the Well-being section<\/h2>\n
\n
How do you get back into exercise after a long break?<\/h2>\n
\n
Our approach<\/h2>\n
Articles to get you started<\/h2>\n
\n
Frequently asked questions<\/h2>\n
How much exercise do you need each week?<\/h3>\n
How can you sleep better?<\/h3>\n
Why am I tired all the time?<\/h3>\n
What you'll find in the Well-being section<\/h2>\n
\n
How do you get back into exercise after a long break?<\/h2>\n
\n
Our approach<\/h2>\n
Articles to get you started<\/h2>\n
\n
Frequently asked questions<\/h2>\n
How much exercise do you need each week?<\/h3>\n
How can you sleep better?<\/h3>\n
Why am I tired all the time?<\/h3>\n