Can't Sleep in the Heat? How to Sleep Better During Hot Summer Nights
If you've been struggling to sleep during the recent warm weather, you're not alone.
One of the most common complaints during summer is difficulty sleeping in the heat. Many people find themselves tossing and turning, waking throughout the night, or struggling to fall asleep altogether when temperatures rise.
If you've been wondering "Why can't I sleep when it's hot?" or searching for ways to sleep better during hot weather, this guide will explain why heat affects sleep and share practical tips to help you enjoy a more restful night's sleep.
Why is It Harder to Sleep in Hot Weather?
Your body naturally prepares itself for sleep by lowering its core temperature in the evening. This cooling process helps signal to your brain that it’s time to wind down and rest. However, when your bedroom is too warm, your body has to work harder to regulate its temperature.
As a result, many people experience:
- Difficulty falling asleep.
- Frequent waking during the night.
- Restless sleep.
- Night sweats.
- Feeling tired despite spending enough time in bed.
This is why sleeping in hot weather can feel much more challenging than during cooler months.
Why Do We Sleep Worse During Summer?
It's not just the heat that affects your sleep. Longer daylight hours can delay your body's natural production of melatonin, the hormone that helps regulate your sleep-wake cycle. Combined with warmer nights and increased humidity, this can make it harder to fall asleep and reduce overall sleep quality.
For many people, the combination of heat, light evenings and disrupted routines means they wake more often and spend less time in deep, restorative sleep.
How to Sleep Better in the Heat
Fortunately, there are several simple strategies that can help you stay cool and improve sleep quality during hot weather.
1. Keep Your Bedroom Cool
Creating a cooler sleep environment is one of the most effective ways to improve sleep during hot weather.
Try: Keeping curtains and blinds closed during the day.
- Opening windows in the evening.
- Using a fan to improve air circulation.
- Removing unnecessary bedding.
- Switching to lightweight cotton sheets.
Sleep experts recommend a bedroom temperature of around 16-19°C for optimal sleep.
2. Stay Hydrated Throughout the Day
Hydration plays a vital role in overall wellbeing and becomes even more important during hot weather.
When temperatures rise, your body loses more fluids through sweating, which can leave you feeling uncomfortable, overheated, and restless at night.
While individual needs vary, most adults should aim for approximately 2–3 litres of fluids per day, with higher amounts often needed during hot weather, exercise, or periods of increased sweating.
Rather than drinking large amounts of water right before bed, try to stay hydrated consistently throughout the day. This can help support your body's natural cooling processes while reducing the likelihood of waking during the night to use the bathroom.
3. Avoid Heavy Evening Meals
Large meals close to bedtime can increase feelings of warmth and discomfort, making it more difficult for your body to cool down and prepare for sleep.
If you're struggling to sleep during hot weather, consider choosing a lighter evening meal and aim to finish eating 2–3 hours before bedtime. This gives your body more time to digest your food, helping you feel more comfortable as you settle down for the night.
Choosing foods with a high-water content can also help you stay hydrated while providing important vitamins and minerals.
Some of the best hydrating foods include watermelon, cucumber, strawberry, lettuce, tomato & orange.
4. Take a Lukewarm Shower Before Bed
Many people assume a cold shower is best, but a lukewarm shower may be more effective.
The cooling effect afterwards can help support your body's natural temperature drop that occurs before sleep.
5. Reduce Evening Screen Time
Long summer evenings often mean we stay up later.
However, excessive screen time before bed can make it harder to relax and switch off.
Creating a technology-free wind-down period before bedtime may help support better sleep quality.
6. Have a Consistent Sleep Routine
One of the most effective sleep habits is keeping a regular bedtime and wake-up time.
Your body thrives on routine.
Going to bed and waking at similar times each day helps support your natural sleep-wake cycle, even during periods of warm weather.
The Best Supplements for Sleep Support
While lifestyle factors should always form the foundation of good sleep habits, many people choose to support their evening routine with specific nutrients.
Magnesium for Sleep Support
Magnesium is one of the most popular supplements for sleep support.
Magnesium contributes to:
- Normal psychological function
- The normal functioning of the nervous system
- A reduction of tiredness and fatigue
Many people choose to take magnesium as part of their evening routine, particularly during periods of increased stress or poor sleep.
Our Magnesium Bisglycinate Complex combines highly absorbable magnesium with Lemon Balm, Chamomile, Hops, L-Theanine and L-Ornithine to support relaxation as part of a healthy lifestyle.
L-Theanine to Calm the Mind
L-Theanine is an amino acid naturally found in tea leaves that calm help calm a busy mind.
It is often used by people looking to support feelings of calm and relaxation as part of a healthy bedtime routine. Our L-Theanine 200mg provides a convenient way to include this amino acid as part of your evening routine.
L-Ornithine to Calm the Body
L-Ornithine is an amino acid involved in the body's natural recovery processes. It plays a role in the urea cycle, helping to remove metabolic waste products that can build up throughout the day.
Many people choose to pair L-Ornithine with L-Theanine as part of their evening routine, helping them unwind after busy or stressful days before settling down for bed.
Learn more about our L-Theanine & L-Ornithine Complex here.
Creating a Better Evening Routine
The best approach to improving sleep often combines several strategies:
- A cooler bedroom
- Consistent sleep schedule
- Reduced screen time
- Good hydration
- Relaxation techniques
- Appropriate nutritional support
Rather than looking for a quick fix, focusing on multiple aspects of your sleep routine often produces the best long-term results.
Frequently Asked Questions About Sleeping in Hot Weather
Why can't I sleep when it's hot?
Your body naturally lowers its core temperature before sleep. Warm temperatures can interfere with this process, making it harder to fall asleep and stay asleep.
What temperature is best for sleep?
Most sleep experts recommend a bedroom temperature between 16°C and 19°C.
Can dehydration affect sleep?
Yes. Dehydration can contribute to discomfort, headaches, muscle cramps, and disrupted sleep.
Does magnesium help with sleep?
Magnesium contributes to normal psychological function, normal nervous system function, and the reduction of tiredness and fatigue, making it a popular addition to many evening routines.
What is the best supplement for relaxation before bed?
Many people choose supplements with Magnesium, L-Theanine & L-Ornithine as part of their evening wellness routine.
Looking for natural sleep support this summer?
If warm nights are affecting your sleep, exploring a consistent evening routine alongside high-quality supplements may help you unwind more comfortably. Our range includes Magnesium Bisglycinate, Magnesium L-Threonate, L-Theanine 200mg, and L-Theanine & L-Ornithine Complex, each designed to complement healthy sleep habits and your evening wellness routine.