Hot weather is one of the most common disruptions to good quality sleep. Whether it’s a warm summer night, an overheated bedroom, or a sudden change in temperature, many people find that their sleep becomes lighter, more fragmented, and harder to achieve when their bedroom is too warm.
One in ten people say their daytime tiredness is directly linked to the temperature of their bedroom at night, according to data from Vitawell’s Sleep Report which highlights just how widespread sleep challenges are across the UK.
The data also shows 61% of Brits are waking up feeling tired every day, while just 3% say they regularly wake feeling fully refreshed. Nearly four in five (78%) are also getting less than the NHS recommended eight hours of sleep each night, which can have implications on both mental and physical health.
Why It’s Harder to Sleep When It’s Hot
Good quality sleep plays a vital role in overall health and wellbeing, supporting everything from mood to immune function. Sleep is closely tied to body temperature; in the evening, your core temperature naturally begins to drop as part of the body’s internal sleep cycle. This cooling process is one of the key signals that helps you fall asleep and stay asleep.
However, when your sleep environment is too warm, the body struggles to regulate heat effectively. This can delay sleep onset, increase night-time waking, and reduce the amount of deep, restorative sleep you achieve.
Sleeping when it’s hot can be challenging, but it’s rarely just the temperature alone that’s responsible. More often, it highlights an existing imbalance in sleep quality and routine.
Pam Johnson, Head of Buying at Bensons for Beds, says: “When temperatures rise, creating the right sleep environment becomes even more important. The products we choose, from our mattress and pillows to our bedding, can all have an impact on how comfortable we feel throughout the night.
“Breathable materials, moisture-wicking fabrics and temperature-regulating technologies can help support the body’s natural cooling process, making it easier to settle and stay comfortable when the weather is warmer.”

Simple Ways to Sleep Better in Warm Weather, from Bensons for Beds:
- Create a calming wind-down routine
A relaxing bedtime routine can help signal to your body that it’s time to rest. Gentle stretching, reading, listening to a podcast or practising mindfulness can all help you switch off before bed.
- Keep your bedroom as cool as possible
Close curtains or blinds during the day to prevent heat building up, then open windows in the evening when temperatures drop to encourage airflow. A fan can also help circulate air and keep the room feeling more comfortable.
- Choose breathable bedding and sleepwear
Lightweight, moisture-wicking materials can help prevent overheating during the night. Bamboo sleepwear and breathable bedding options can help move moisture away from the body, supporting a cooler, more comfortable sleep environment.
- Consider a temperature-regulating mattress and pillow
Your mattress plays an important role in sleep comfort. Designs that use breathable materials, cooling technologies or enhanced airflow can help regulate temperature while you sleep and reduce the need to constantly adjust during the night.
- Stay hydrated throughout the day
Dehydration can affect the body’s ability to regulate temperature effectively, so keeping fluids topped up throughout the day can support overall comfort at night.
- Avoid heavy meals close to bedtime
Large or rich meals before sleep can increase body temperature and leave you feeling uncomfortable when trying to settle.
- Take a lukewarm shower before bed
A lukewarm shower can help your body cool down naturally and prepare for sleep by supporting the transition into your bedtime routine.
Can Supplements Help Support Sleep?
While lifestyle habits are the foundation of good sleep, certain nutrients can play a supporting role in relaxation and sleep quality.
Magnesium contributes to normal nervous system function, while Vitamin B6 supports normal psychological function and hormonal regulation. These nutrients are commonly used as part of evening routines designed to support rest and recovery.
Vitawell’s Night Sweet Dreams supplement is designed to complement a healthy sleep routine, particularly during periods when sleep may be disrupted by heat, stress, or lifestyle factors.
By focusing on simple but effective changes, from improving airflow and choosing breathable bedding to maintaining consistent sleep habits and supporting the body with the right nutrients, it’s possible to improve sleep quality all year round.