Photo by Polina Tankilevitch
In short: Low energy rarely has one cause. It usually comes from a mix of sleep, blood sugar, stress, movement, hydration and sometimes a nutrient running low. You don’t need a total overhaul to feel better. A few small, steady changes, chosen for your body and your life, can make a real difference.
It’s the middle of the afternoon and you’re reading the same email for the fourth time. You reach for another coffee, or something sweet, and it works for half an hour. Then the dip comes back, a little deeper. If that sounds familiar, there’s nothing wrong with you, and you’re certainly not lazy. Feeling tired all the time is one of the most common reasons people come to see me.
And here’s what I’d love you to take away from this article: energy isn’t something you either have or don’t. It’s something you can build, gently, day by day.
What’s really draining your energy?
Before trying to fix it, it helps to look at where the energy is going. The most common culprits I see are:
Poor or short sleep, even when you spend enough hours in bed
Blood sugar swings from skipped meals, sugary snacks or too little protein
Ongoing stress, which keeps your body on alert and wears you out
Too little movement, which sounds odd, but sitting still all day makes you more tired
Not drinking enough
Hormonal changes, especially in perimenopause and menopause
A nutrient running low, such as iron, vitamin B12 or vitamin D
Most of us have two or three of these going on at once. That’s why one quick fix rarely works.
Ten natural ways to boost your energy
1. Protect your sleep
How long you sleep matters, and so does how well you sleep. Try going to bed and getting up at roughly the same time every day, even at weekends. Dim the lights and put screens away a little while before bed. If you often wake in the small hours with your mind racing, that’s often a sign of stress or blood sugar dipping in the night, which brings us to the next point. I share more ideas in Let’s talk about sleep.
2. Build meals that keep you steady
Energy crashes often start on the plate. A breakfast of toast and jam, or just coffee, sends your blood sugar up quickly and down again by mid-morning. Aim to include protein, fibre and a little healthy fat at each meal: eggs or yoghurt at breakfast, beans or lentils in your lunch, a handful of nuts with an apple in the afternoon. You’ll feel the difference by the afternoon. If that afternoon slump is your weak spot, I wrote a whole article about the afternoon energy dip and what to eat.
3. Eat regularly
Long gaps without food can leave you shaky, foggy and irritable, and they’re often what sends you looking for something sweet later on. Three proper meals, with a small snack if you need one, work well for most people. Listen to your own hunger rather than a rule you read somewhere.
4. Drink enough water
Even mild dehydration can make you feel tired and less focused. There’s no magic amount for everyone, since it depends on your size, activity and the weather. A simple guide: sip through the day and check that your urine is pale yellow. Keep a glass or bottle within reach, and remember that herbal teas and water-rich foods like soups and fruit count too. I explain why it matters so much for your mood in Drink up: how staying hydrated improves your mood and energy.
5. Rethink your coffee
Coffee isn’t the enemy, and many people enjoy a cup or two in the morning. But caffeine stays in your body for hours, so an afternoon cup can quietly disturb your sleep that night, and then you need more coffee the next day. Try keeping coffee to the morning and notice what happens.
6. Move a little, often
When you’re exhausted, exercise is probably the last thing you feel like doing. Yet gentle movement is one of the most reliable energy boosters there is. You don’t need a gym: a short walk after lunch, a few stretches between tasks, a yoga class or dancing in the kitchen all count. Getting outside in daylight, especially in the morning, also helps set your body clock for better sleep. For more ideas, see Let’s talk about exercise.
7. Take real breaks
Working for hours without stopping drains both body and mind. Every hour or so, stand up, look away from the screen, breathe and move for a few minutes. It feels like lost time, but you’ll get more done with a clearer head.
8. Calm your nervous system
Stress uses up an enormous amount of energy, even when you’re sitting still. A few minutes a day of something calming can help: slow breathing, a short meditation, a walk without your phone, or autogenic training, a simple relaxation method I teach that many people find deeply restoring. The key is doing it regularly, not perfectly.
9. Look after your nutrients
Iron, vitamin B12, vitamin D and magnesium all play a part in how energetic you feel. Most of what you need can come from a varied diet: leafy greens, pulses, nuts and seeds, whole grains, eggs, fish and meat if you eat them. Please don’t start supplements on a hunch, especially iron, which can be harmful if you don’t need it. If you suspect a deficiency, ask your doctor for a blood test first, and talk to your doctor or pharmacist before taking anything, particularly if you’re on medication.
10. Pay attention to what your body tells you
What gives one person energy can leave another feeling flat. Some people thrive on a big breakfast, others feel better with a light one. This is what bio-individuality is all about. Try one change at a time for a week or two, notice how you feel, and keep what works for you.
When to see your doctor
Tiredness that doesn’t lift after a few weeks of good habits deserves a closer look. Please see your doctor if you feel exhausted most days, lose weight without trying, feel low or anxious, or notice other changes that worry you. Thyroid problems, anaemia and other conditions can all cause fatigue and can be checked.
If you’re in your forties or fifties and your energy has changed along with your cycle, sleep or mood, hormones may be part of the picture. You’ll find more in my nutrition FAQs for perimenopause and menopause.
Where to start
Don’t try all ten at once. Pick the one that feels easiest, perhaps a proper breakfast or a daily walk, and give it a couple of weeks. Then add another.
Frequently asked questions
Which foods give you the most energy?
Foods that release energy slowly: oats, pulses, whole grains, vegetables, nuts, seeds, eggs and yoghurt. Pairing carbs with protein or healthy fat helps keep your energy steady rather than spiking and crashing.
Why am I tired even after a full night’s sleep?
It can come from poor sleep quality, stress, blood sugar swings, dehydration, low iron or vitamin D, or hormonal changes. Often it’s a mix of several of these.
Does coffee really help with energy?
In the short term, yes. But too much, or too late in the day, can disturb your sleep and leave you more tired overall. Keeping it to the morning works well for most people.
When should I talk to my doctor?
If you’ve been tired most days for a few weeks despite good habits, or if your tiredness comes with weight loss, low mood, breathlessness or anything else that worries you, please see your doctor. A simple blood test can rule out common causes like anaemia or a thyroid problem.
Would you like some help?
Energy is one of the first things we look at in my group programmes in nutrition and health, such as Six Tuesdays in Montignac, because when your energy comes back, everything else gets easier. If you’d like to hear when the next group opens, write to me at hello@catherinepolet.coach.
If you’d rather find out one to one what’s draining your energy and what will really help, I coach online too. Book a free 20-minute call and we’ll look at it together.
About Catherine
I’m Catherine Polet, a holistic nutrition health coach, yoga and autogenic training teacher for more than 30 years, author and speaker. I help people find a way of eating and living that suits their own body, online in English, French, Spanish and German, and in person in Southwest France.
