Summer fatigue is a common response to hot weather. Higher temperatures make your body work harder to stay cool, which increases energy use. Combined with dehydration, disrupted sleep and longer daylight hours, this can leave you feeling tired, less focused and less productive. Fortunately, staying hydrated, improving sleep and adjusting your daily routine can help reduce fatigue during the summer months.
So many of us wait all year for summer to arrive. We look forward to the sunshine, bright skies, long warm evenings with friends, and, of course, the holidays. Yet for many people, the opposite is true. Warm weather can feel overwhelming, and both the sunshine and the increased social activity can be exhausting. Instead of seeking the sun, they seek the shade—from both the heat and the crowds.
Whether we enjoy it or not, summer is inevitable. This year has brought particularly long heatwaves across the UK, longer than many of us can remember. So, how can we stay productive when temperatures rise and fatigue starts to catch up with us?
As usual, the answer begins with taking good care of both our bodies and our minds.
Summer fatigue is not a myth. Our bodies are not accustomed to prolonged periods of high temperatures, so they work harder to keep us cool—and that effort alone is tiring. We also lose fluids and minerals through sweating, which can lower blood pressure and reduce our energy levels. On top of that, the longer daylight hours can affect our melatonin levels, making it harder to get a good night’s sleep.
So here we are: tired from the effort of regulating our body temperature, slightly dehydrated, and not sleeping as well as we usually do.
The good news is that we can gently support ourselves in all three areas.
Although our first instinct may be to stay indoors, spending a little time outside each day helps our bodies gradually adapt to the warmth and the sun. We do not need to be outside at midday when the sun is at its strongest, nor do we need to go for a run when it is 37°C. Instead, we can enjoy a gentle morning walk or have lunch in the park beneath the shade of a tree.
If it is 35°C outside, we do not need to set the air conditioning to 20°C. Cooling the room just enough to feel comfortable is often a better option and avoids the shock of moving between extreme temperatures.
Staying hydrated sounds simple, but it is surprisingly easy to forget. Sometimes we even mistake thirst for hunger. Some people set reminders to drink water, others make a habit of drinking two glasses with every meal, and many carry a large water bottle throughout the day. Whatever works for you is the right approach, because we all know how quickly dehydration can leave us feeling tired, dizzy, and unable to concentrate.
Sleep can also become more difficult during the summer, and it is not only because of changes in melatonin. Poor sleep often leaves us feeling frustrated, irritable, and short-tempered. Keep your bedroom as cool and as dark as possible. If you find yourself lying awake, tossing and turning while convincing yourself that you hate summer, it may be better to get up for a few minutes, do something calming, and return to bed once you feel more relaxed. Ending the day with a sense of calm is one of the best foundations for restful sleep—not only during the summer, but throughout the year.
Schedule demanding tasks during the cooler parts of the day and leave lighter work for the hottest hours. Working with the weather, rather than against it, helps me stay productive while avoiding unnecessary fatigue.
In hot weather, I naturally walk more slowly. I need more water, more breaks, and more rest. Instead of resisting these changes, it makes more sense to accept them and adjust my pace accordingly.
So, what is the secret to staying productive during the summer?
I wish I had a simple recipe for maintaining peace of mind during the summer. However, while general advice can be helpful, it rarely captures the complexity of human nature.
Instead, I return to one simple thought whenever the heat arrives: if I cannot avoid it, I need to move with it rather than fight against it.
Summer fatigue is common, but small adjustments can make a big difference. Staying hydrated, improving sleep, pacing yourself and working with the weather—not against it—can help you stay energised and productive throughout the warmer months. If fatigue is persistent, severe or affecting your daily life, it’s important to seek medical advice to rule out any underlying health conditions.
✔ Drink water regularly throughout the day
✔ Avoid direct midday sun
✔ Keep your bedroom cool
✔ Eat light, balanced meals
✔ Schedule difficult tasks during cooler hours
✔ Take regular breaks
✔ Listen to your body’s signals
Related external link: Heatwave: How to cope in hot weather
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