Reviewed, edited and approved by Editor-in-chief Daniel Sköld · Updated 23 October 2026
Contents
There was a time when you could sleep five hours, skip breakfast and still be sharp in the 4pm meeting. These days the afternoon is a fight between you and the sofa, and the sofa usually wins.
That isn’t just bad luck or your age. Most of how you feel at 3pm was decided earlier: how you slept, what you ate, whether you moved and what you poured down your neck the night before. The good news is that you can fix most of it without buying a single miracle powder.
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Why am I so tired all the time in my 50s?
Being tired all the time is so common that doctors have an abbreviation for it: TATT. NHS guidance in Wales lists the usual suspects, and they won’t surprise you: not enough sleep or insomnia, a poor diet with little exercise, and stress, depression or big life events such as a bereavement.
In other words, it’s mostly the boring stuff. That’s annoying, because boring stuff takes effort to change. It’s also good news, because the boring stuff is the bit you control.
Midlife adds a few twists of its own. Sleep gets lighter and more broken, you lose muscle without trying, the waistline creeps out and the job and family both ask more of you than they did at 30. Put them together and you get a body that runs fine on paper but feels flat.
Start the night before: sleep is the battery
No breakfast, supplement or gadget can make up for a bad night. The NHS advice is unglamorous but solid: go to bed and get up at the same time every day, avoid daytime naps and give yourself time to relax before bed.
The consistent wake-up time matters most. A lie-in until 10am on Sunday is a lovely idea, but it’s the main reason Monday feels like jet lag. Keep the bedroom cool, dark and quiet, and stop eating, drinking caffeine and exercising hard for a couple of hours before bed.
Alcohol needs an honest mention. A nightcap helps you drop off, then breaks up your sleep in the second half of the night. If you wake at 3am feeling wired, the wine at 10pm is a likely culprit.
And if your partner says you snore loudly, gasp or snort in the night and you still wake up exhausted, don’t wait. Those are recognised signs of sleep apnoea, which is common in midlife men and treatable. See your GP.
Eating for steady fuel rather than spikes and crashes
The NHS suggests that a good way to keep your energy up through the day is to eat regular meals and healthy snacks every three to four hours, rather than one big meal less often. So the classic midlife routine of black coffee for breakfast, a sandwich at your desk and a huge dinner at 8pm is close to the worst plan you could design.
In practice, that means:
Breakfast with some staying power: porridge, eggs on wholemeal toast, Greek yoghurt with fruit. Something with protein and fibre, not just a croissant.
A lunch that won’t send you to sleep. A heavy plate of white pasta or a pie and chips at 1pm is a fine recipe for a 3pm slump. Go for protein, vegetables and wholegrain carbohydrates, and save the stodge for weekends.
A planned snack. A piece of fruit and a handful of nuts mid-afternoon beats the biscuit tin you’ll raid if you don’t plan.
Water counts too. Mild dehydration can feel a lot like tiredness, so keep a glass or bottle within reach, especially if you live on tea and coffee.
Energy isn’t something you find at 3pm. It’s something you build from the moment you get up, and from the night before.
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Does exercise give you more energy or just wear you out?
It feels backwards, but moving more is one of the most reliable ways to feel less tired. The NHS suggests starting small and building up over weeks and months towards the recommended 150 minutes of moderate activity a week, such as brisk walking or cycling.
That’s about 20 minutes a day. A brisk walk at lunchtime does two jobs at once: it counts towards your weekly total and it breaks the post-lunch slump better than a third coffee.
The UK guidelines also recommend muscle-strengthening activity on at least two days a week. NHS inform in Scotland points out that heavy gardening and carrying heavy shopping count, alongside resistance exercise. After 45 this matters more, because muscle is what keeps everyday jobs feeling easy rather than draining.
Weight plays a part too. The NHS is blunt that carrying excess weight can be exhausting and puts extra strain on your heart. Losing a stone (about 6.4kg) won’t change your life overnight, but plenty of men notice they have more spring in their step well before they reach their target.
Do energy supplements and drinks actually work?
This is where the marketing gets loud. Shelves are full of energy drinks, B-vitamin complexes, adaptogens and gummies that promise to put the zip back in your day.
The honest answer is that unless you’re actually deficient in something, the evidence that they will make you feel more energetic is weak. Energy drinks mostly work through caffeine and sugar, so you get a lift that’s borrowed from later in the day, often at the expense of your sleep.
The supplement with clear UK advice behind it is vitamin D. The NHS says adults should consider taking 10 micrograms (400 IU) a day in autumn and winter, when British sunlight is too weak for your skin to make enough. Some people at higher risk, such as those who rarely go outdoors, are advised to take it all year. It’s cheap and sensible, but it’s a top-up, not a turbo button. Your pharmacist can help if you take other medicines.
Wearables and sleep trackers can be useful if they nudge you towards better habits, such as going to bed earlier or walking more. Treat their sleep scores as a rough guide, not a diagnosis.
When tiredness is worth a trip to the GP
Unexplained tiredness is one of the most common reasons people see their GP, so you won’t be wasting anyone’s time. NHS guidance highlights certain combinations of symptoms that need checking:
Tiredness with breathlessness, palpitations or pale skin can point to iron deficiency anaemia. Tiredness with constant thirst, peeing more often (especially at night) and losing weight without trying can be a sign of diabetes. Feeling restless, anxious and weak alongside the tiredness can be linked to an overactive thyroid. Loud snoring with gasping or choking at night suggests sleep apnoea.
Low mood belongs on that list too. If you’ve lost interest in things and the tiredness feels heavy rather than sleepy, mention it. The NHS notes some evidence that talking therapies such as CBT can help with fatigue linked to stress, anxiety or low mood.
If you live in England and are aged 40 to 74 without an existing heart condition, diabetes or kidney disease, you should be invited for a free NHS Health Check every five years. It checks things like blood pressure and cholesterol, which won’t explain every slump but tells you what’s going on under the bonnet. Scotland, Wales and Northern Ireland don’t run the same programme, so if you live there, ask your GP practice what checks are available. For urgent advice, call NHS 111, and in an emergency, call 999.
In short
Energy that lasts all day mostly comes from regular sleep and wake times, regular meals with protein and fibre every three to four hours, and building up to 150 minutes of activity a week plus some strength work. Most energy supplements have weak evidence behind them, apart from the NHS advice on vitamin D in autumn and winter. If you’re still exhausted after sorting the basics, or you have other symptoms such as thirst, breathlessness or loud snoring, see your GP.
Adrian Irving writes about health for men 45 and over who would rather do something than worry. Training, weight loss, sleep, cholesterol and blood tests, heart health, testosterone, the prostate, mental health and your sex life – what the evidence says, what's worth trying, and when it's time to see your GP.
One of Midcent's writers. Spotted something? Write to adrian@midcent.uk.
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Feeling tired, short-tempered and low on energy is easy to put down to age. Sometimes there’s a fixable cause, and a GP blood test will tell you more than a shelf of supplements.
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