Why Am I Always Tired in the Summer Heat? (Dubai)

The short answer: it is usually not one thing, and it is rarely you.

Feeling tired through the hot months is often a small stack of everyday factors, light sleep in a warm bedroom, hydration that slips between air-conditioned rooms and outdoor heat, blood sugar that dips through long afternoons, iron and vitamin D that often run low in women, and a body that is quietly working harder to stay cool.

Each of these has real research behind it, and each is workable with small, gentle shifts.²³⁴

Have you ever woken up after 8 hours of sleep and still felt like you never slept? Reached for a second coffee at 10 AM to make it to lunch? Crashed at 3 PM like clockwork through July and August? Wondered if your body is just tired of trying?

You are not imagining it, and you are not failing at summer. A lot of the women I work with know this rhythm well.

You've tried everything and you're still tired. You don't need one more plan piled on top of what you already do. I'm a health coach: I help you understand what your body is actually asking for. No rigid protocols, no punishing plans. Just two or three small routines slipped into the life you already have. Tiny, steady and simple steps.

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What the heat does to your sleep and energy

Your body runs on a daily temperature rhythm. It cools in the evening as you wind down, drops to its lowest point in the early hours, then climbs again toward morning. Research on thermal biology from the University of Tsukuba in Japan shows that this evening dip is what helps you fall asleep and stay asleep, and warmer bedrooms are associated with shorter deep sleep and more night awakenings.²

Stanford neuroscientist Dr. Andrew Huberman puts a simple number on it. In his Sleep Toolkit, he explains that the body needs to drop by roughly one to three degrees to fall and stay asleep, and a cool room makes that easier.⁷ When the room stays warm, that dip is harder to reach, and sleep runs lighter.

A landmark Penn State study found that even modest sleep restriction was linked with more daytime sleepiness and lower alertness the next day, what many women describe as summer brain fog.⁶

Add to this a body that is quietly working harder to keep cool through the day, hydration that slips between air-conditioned rooms and outdoor heat, and iron or vitamin D that may be sitting low in the background, and the picture starts to make sense.

None of it means anything is wrong with you. Your body is doing its job. The weather is just asking a little more of it.

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The six things quietly draining your energy through the hot months

Each of these has a real research base. None of them are about you doing anything wrong.

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Good to know: these six feed into each other. Broken sleep raises stress signals, low iron leaves women feeling drained, and hot afternoons make hydration slip. Naming them separately is what makes them easier to address, one gentle step at a time.

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What does a tired summer day actually look like?

You do not have to identify with every part. Even one of these can quietly set the tone for the rest.

Waking up in a warm room around 6 AM feeling like you barely slept. A 10 AM fog that no amount of coffee seems to lift. A 3 PM crash that lands harder in July than in January. An 8 PM stretch where the day catches up with you all at once. A late dinner because the evenings finally feel breathable, and then a slower start the next morning.

How one tired day quietly rolls into the next

Light sleep leaves the body a little short on recovery. That thin margin shows up as a mid-morning fog and an early reach for something sweet. Blood sugar climbs, then drops.

The afternoon dip lands harder, so the evening asks for takeout instead of a fresh dinner, and the phone stays on later than planned. Blue light from screens quietly holds back the wind-down signals your body sends before sleep. The bedroom is still warm. Sleep stays lighter. The next morning starts on the same edge, and the cycle repeats.²⁶

This is not a character flaw. It is a rhythm, and rhythms can be gently adjusted.

Most women I work with need only two or three small changes before the whole picture starts to lift.

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Cooling foods and drinks: the naturopathic take

This is where naturopathy meets your kitchen, and it may surprise you. In naturopathy and Traditional Chinese Medicine, or TCM, cooling foods are described by the effect they have on the body, not the temperature they are served at.

A warm cucumber and mint soup can still be cooling. An ice-cold coffee can still be warming to the system.

Cooling refers to the energetic quality of the food, so it works even when the food is gently cooked. This idea is not just poetic. Research on food and thermoregulation has found that very spicy meals can raise the body’s core temperature for a while after eating, which one small study linked with more broken sleep.⁹

Heavier, richer, or more warming meals sit better earlier in the day, and lighter, water-rich, cooling meals suit warm evenings.

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A simple way to think about it: lean cooling and light on warm evenings, and keep the richer, warming dishes for earlier in the day or the cooler months.

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A few worth knowing:

• Mint. The menthol in mint gives that fresh cooling hit, which is why cool mint and lime water or a peppermint tea feels so soothing in the evening. It works served warm too.
• Watermelon and cucumber. Both are more than 90 percent water. They gently support hydration and are naturally cooling in TCM terms, whether you eat them chilled from the fridge or slightly softened in a salad.
• Leafy greens. Spinach, chard, and Arabic greens are a good source of magnesium, and some trials have linked magnesium with better sleep quality in adults.¹⁰
• Coconut water. A natural source of potassium and gentle electrolytes, kinder on the stomach than a sports drink and easier to sip slowly through the afternoon.
• Coriander and parsley. Fresh herbs are considered cooling in naturopathic frameworks and add flavor without needing heavy salt or chili.

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Why ice-cold is not the shortcut it feels like. A tall glass of ice water on a hot day feels wonderful for about thirty seconds, but the body then has to work to warm that liquid back up to core temperature. In naturopathic and TCM thinking, an ice-cold drink can shock the digestive system and briefly tighten the vessels that carry heat away from the core, which is the opposite of what you want in the heat. Room-temperature or gently cool water hydrates more steadily. Warm herbal drinks such as mint or fennel tea can actually help you feel cooler, because they support gentle sweating, and sweating is how the body releases heat.

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Two cooling drinks worth trying this summer

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Want more like these? I am putting together a recipes section on the site, so seasonal, cooling recipes will soon live in one place.

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Could hot flushes be part of the picture?

For some women, night warmth has nothing to do with the weather.

The hormonal changes of perimenopause, the years leading up to menopause, are linked with hot flushes and night sweats that break up sleep, and researchers at SRI International and Stanford have shown that sleep problems are closely tied to this stage of life.⁸

A few everyday things can make that warmth more noticeable, like caffeine later in the day, a drink close to bedtime, or a rich, spicy meal at night. This is education, not a diagnosis.

If hot flushes are wearing you down, it is worth talking it through with your GP or practitioner.

For many women, the cooling food shifts above are a gentle place to begin.

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Setting up a cool room for summer sleep

Here is the part that surprises people: a cool room works best with a cozy, breathable cover.

A classic Swiss study published in Nature by Kräuchi and colleagues found that gently warming the skin of the hands and feet helps the body release heat from the core, which brings core temperature down and sleep on faster.¹¹ So a cool bedroom and snug covers are a team, not a contradiction. In the peak of summer you might switch to a lighter cover, as long as the room itself stays cool.

A slightly heavier blanket can add to the calm. In a randomized trial, weighted blankets were linked with less severe insomnia and better daytime function in adults who struggled to sleep.¹² Fabric matters too, research on sleepwear and bedding found that breathable natural fibers such as organic cotton help the little pocket of air around you stay comfortable, instead of holding heat.¹³

A cool, not cold, shower about an hour before bed can help.

The gentle drop in skin temperature afterwards has been linked with falling asleep more easily. Turn the phone away from the bed and dim the lights in the last hour, because bright evening light can quietly hold back the body’s wind-down signals.²

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“Summer tiredness is rarely one big thing. It is usually a small stack, and each piece is workable.”

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Dubai summer has more going on than you think

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Good to know: Trade Center Dubai’s new free indoor sports arena is a real gift for anyone who wants to keep moving through the hot months.

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Here in Dubai, summer is not a season to disappear.

It has its own lively rhythm, just moved a little cooler and a little more indoors. Once you know where the community is, the calendar gets rich.

Indoor movement, water parks, and family days are everywhere. Here are the free and family-friendly summer spots worth knowing, all indoor or water-based for the hot months.

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So this really is a season for adjusted rhythms, not for hiding.

For the full starting map, visit our Dubai Women’s Health Guide.

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What to keep in mind

1. Summer tiredness is usually a stack of small factors, not a single cause.
2. Cool the room and your core, and keep your skin cozy. That balance is what helps you drop off.¹¹
3. Lean toward cooling, water-rich foods in the evening, and keep the richer, warming dishes for earlier in the day.⁹
4. Skip the tall glass of ice water. Room-temperature water or warm herbal tea hydrates more steadily.
5. Bloods can quietly answer what guessing cannot, so ask your doctor about vitamin D, iron and ferritin, and thyroid if fatigue lingers.¹³
6. Gentle daily movement is associated with more energy over time, so the shoulder-hour walk really does count.¹⁴
7. Any personalized plan is best built with a qualified professional who knows your history.

If you would like personalized, research-based guidance for your own situation, you can learn more about working with me here. You can also read our companion piece on vitamin D deficiency in women in the UAE or explore how to break the stress-sleep cycle.

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Frequently asked questions

Why do I feel so tired in summer?

Summer tiredness in women is usually a stack of small factors. The body works harder to stay cool, warm bedrooms shorten deep sleep, hydration slips between air-conditioned rooms and the outdoors, and iron and blood-sugar rhythms can quietly drift.²³⁴ Naming them separately is what makes each piece easier to address.

I sleep 8 hours but still feel exhausted, what’s going on?

The number of hours is only part of sleep quality. Warm bedroom temperatures, late dinners, screen time, and the day’s stress load can all shorten the deep, restorative stages of sleep, so hours in bed and true rest are not always the same thing.²⁶ It is also worth checking bloods for iron and vitamin D, both of which research links with tiredness in women.¹³

Why do I crash every afternoon in summer?

Afternoon dips are often a mix of light sleep the night before, small hydration gaps through the morning, and blood sugar that has been on a bit of a rollercoaster. Even mild dehydration is linked with lower mood and higher perceived fatigue in women, so a water bottle within reach usually helps more than a big glass all at once.⁴ A balanced lunch with protein, slow carbs, and cooling greens tends to soften the 3 PM slump.

Is it normal to feel more drained through the hot months?

Yes. Research on thermal biology shows warmer bedrooms can shorten deep sleep and disturb night rest,² and the body works harder to keep cool through the day. It usually settles once cooler months arrive, and small shifts like a cooler bedroom, shoulder-hour walks, cooling foods, and steady hydration can make the summer months a lot kinder.

Should I get my bloods tested if I’m always tired?

If tiredness has been lingering for weeks, it is a reasonable next step. Ask your GP for a simple panel that includes vitamin D, ferritin, and thyroid function. Research links low iron with fatigue in women even before anemia appears, and correcting low vitamin D has been associated with improved self-perceived fatigue.³⁵

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The bottom line

Feeling constantly tired through the hot months is not a signal that something is wrong with you. It is usually a signal that a few everyday factors are stacking up. Sleep in the heat, hydration, iron, blood sugar, a rich pace, cooling foods, and yes, vitamin D, all pull at the same battery.¹²³⁴

The steady way through is gentle.

Cool the room and warm the feet. Sip room-temperature water and warm herbal teas instead of a glass full of ice. Lean toward cooling, water-rich foods in the evening. Check the bloods. Give the small habits time to add up. These are habits best understood as part of a balanced, varied lifestyle rather than a quick fix.

Summer has its own rhythm. Your body just gets to learn it.

This article is for educational purposes only and does not constitute medical advice. Please speak with your GP or a qualified medical professional if you have health concerns.

References

1. Al Anouti F, et al. Vitamin D Deficiency and Its Associated Factors among Female Migrants in the United Arab Emirates. Nutrients, 2022. PubMed
2. Okamoto-Mizuno K, Mizuno K. Effects of thermal environment on sleep and circadian rhythm. Journal of Physiological Anthropology, University of Tsukuba, 2012. PubMed
3. Verdon F, Burnand B, Stubi CL, et al. Iron supplementation for unexplained fatigue in non-anaemic women. BMJ, 2003. PubMed
4. Armstrong LE, et al. Mild dehydration affects mood in healthy young women. Journal of Nutrition, 2012. PubMed
5. Roy S, et al. Correction of Low Vitamin D Improves Fatigue (EViDiF Study). North American Journal of Medical Sciences, 2014. PubMed
6. Vgontzas AN, et al. Adverse effects of modest sleep restriction on sleepiness, performance, and inflammatory cytokines. JCEM, Penn State, 2004. PubMed
7. Huberman A. Toolkit for Sleep. Huberman Lab, Stanford School of Medicine. hubermanlab.com
8. Baker FC, et al. Sleep problems during the menopausal transition. Nature and Science of Sleep, SRI International and Stanford, 2018. PubMed
9. Edwards SJ, et al. Spicy meal disturbs sleep: an effect of thermoregulation? International Journal of Psychophysiology, 1992. PubMed
10. Abbasi B, et al. The effect of magnesium supplementation on primary insomnia in elderly. Journal of Research in Medical Sciences, 2012. PubMed
11. Kräuchi K, et al. Warm feet promote the rapid onset of sleep. Nature, 1999. PubMed
12. Ekholm B, et al. A randomized controlled study of weighted chain blankets for insomnia. Journal of Clinical Sleep Medicine, 2020. PubMed
13. Shin M, et al. The effects of fabric for sleepwear and bedding on sleep. Nature and Science of Sleep, 2016. PubMed
14. Puetz TW, et al. Aerobic exercise training on feelings of energy and fatigue. Psychotherapy and Psychosomatics, 2008. PubMed

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Related reading

• Vitamin D deficiency in women in the UAE
• Burnout and hormonal imbalance
• Break the stress-sleep cycle
• Why you can’t lose weight in Dubai
• Dubai Women’s Health Guide
• Take the Energy Quiz