Sleeping Hot This Spring? 3 Bedding Fixes To Sleep Cooler

Spring doesn’t just change the weather.
It changes how you sleep.

Longer daylight hours shift your internal clock. Night-time temperatures fluctuate. Humidity rises. And suddenly, the bed that felt perfect in January feels heavy, warm, and harder to settle into.

If you’ve been waking up overheated, kicking off the duvet, or feeling restless at 3 a.m., your body isn’t the problem.

Your bedding might be.

The good news? You don’t need a full bedroom makeover. You need a more breathable, temperature-balanced sleep setup.

Let’s break down why spring sleep feels different, and the three bedding upgrades that can help you sleep cooler and more comfortably.

Why Spring Sleep Feels Different

Your body temperature naturally drops at night to help you fall into deeper sleep. Research shows that core temperature can decrease by roughly 0.5–1°C during a normal sleep cycle [1]. This cooling process helps you:

• Fall asleep faster
• Stay asleep longer
• Enter deeper sleep stages

But when bedding traps heat or holds moisture, your body has to work harder to regulate itself.

Even mild overheating can trigger micro-awakenings: tiny disruptions you may not remember, but your body does. Over time, those interruptions can leave you feeling less rested in the morning [2].

Now layer in those classic spring conditions:

1. Warmer Air Holds More Moisture

Humidity makes bedding feel heavier against your skin, even when temperatures aren’t dramatically higher.

2. Fluctuating Temperatures

Cool evenings can turn into warmer early mornings. If your bedding only insulates (instead of adapts), you’ll wake up too warm.

3. Reduced Evaporation

When moisture can’t evaporate easily, your skin feels warmer and slightly damp. That discomfort alone can disrupt sleep.

Here’s what you can do to help…

1. Start with the Layer That Controls Temperature

If you change one thing this spring, make it your sheets.

Sheets sit directly against your skin. That makes them the most important layer for temperature regulation and moisture control.

Before your duvet.
Before your mattress.
Bed sheets determine whether heat escapes or gets trapped.

What to Look for in Cooling Sheets

Not all “soft” sheets are breathable. Fabric weight, fibre type, and weave all affect airflow.

For spring, and for hot sleepers year-round, look for sheets that are:

• Breathable and lightweight
• Moisture-wicking
• Temperature-balancing (not heat-retaining)
• Smooth without feeling dense or heavy

Heavier materials like flannel or traditional cotton are designed to insulate. That’s helpful in winter. But in fluctuating temperatures, like the unpredictable weather here in the UK, that insulation can trap excess warmth.

Breathable fabrics like 100% bamboo viscose allow airflow and help release heat rather than store it. That supports your body’s natural cooling process; not just in spring, but all year.

If your bed feels warm before you fall asleep, your sheets are often the starting point.

Upgrade the base layer, and everything else works better.

2. Refresh What’s Underneath

Most people wash their sheets in the spring.
Fewer think about the mattress.

But your mattress is the foundation of your sleep environment, and it absorbs more than you realize.

With open windows, rising humidity, and everyday moisture from normal sleep, mattresses can quietly collect dust, buildup, and trapped warmth over time. Even if your sheets are freshly washed, the surface underneath can still feel heavy or less breathable.

Spring is the perfect time to reset the entire sleep system, not just the top layer.

Start with a Simple Mattress Refresh

It’s time for some spring cleaning for your sleep.

• Vacuum the surface thoroughly to lift dust and everyday buildup
• Let it air out near an open window for a few hours to release trapped warmth
• Spot-clean visible stains to keep the surface feeling fresh
• Rotate the mattress to promote even wear and long-term support

When the base layer of your bed feels refreshed, the entire room feels calmer. And your sleep feels less stuffy, less dense, and more breathable.

Then Add a Breathable Mattress Protector

After refreshing the mattress itself, protect it with a breathable, waterproof mattress protector.

The right protector shields against spills and everyday moisture while still allowing airflow. That balance matters, especially in spring, when humidity can make bedding feel warmer and heavier.

A high-quality protector should:

• Support airflow
• Help reduce moisture buildup
• Maintain a cooler sleep surface

And most importantly, it shouldn’t feel stiff or plasticky. It should feel soft, quiet, and invisible, protecting your mattress without interfering with comfort or temperature regulation.

3. Rethink Your Pillow

Your pillow isn’t just about neck support.

It’s where your body releases heat all night long.

Because your head and neck play a major role in temperature perception, even slight heat buildup here can make your entire body feel warmer. That’s why you might kick off the covers, even if the rest of you isn’t actually overheating.

Over time, pillows can:

• Lose loft and structure
• Flatten unevenly
• Retain warmth
• Reduce airflow around the head and neck

And when airflow decreases, heat lingers.

If your pillow is 12–18 months old, feels dense, or doesn’t bounce back when folded in half, it may no longer support proper ventilation or alignment.

What to Look for in a Cooling-Friendly Pillow

Spring is a smart time to upgrade to a pillow that supports both airflow and structure. 

 Look for:

• Plush, indulgent fill that supports proper loft
• Breathable outer covers that encourage circulation
• Shape-retaining construction to prevent flattening
• Airflow-friendly materials designed to minimise heat retention

Don’t Skip the Pillow Protector

If you’re upgrading your pillow, protect it properly.

A breathable, waterproof zippered pillow protector adds an extra layer of defence without trapping heat. Look for one that:

• Encourages airflow for cooler sleep
• Helps protect your pillow from sweat and spills
• Zips fully closed for secure coverage
• Feels soft and noise-free (no crinkling)

A bamboo viscose blend is especially helpful here. It supports breathability while shielding your pillow from everyday moisture that can build up during warmer, more humid months.

How to Build a Breathable Sleep System

Here’s the bottom line:

Better spring sleep isn’t about removing blankets.
It’s about smarter layers.

When airflow, moisture control, and temperature balance work together, your body can cool itself naturally (without kicking off the covers at 3 a.m.).

If you’re ready to refresh your bedroom for spring, explore breathable bedding designed to support cooler, more comfortable sleep.

Use code BLOG10 for 10% off your spring refresh today!

 

Resources: 

1. Okamoto-Mizuno K, Mizuno K. Effects of thermal environment on sleep and circadian rhythm. J Physiol Anthropol. 2012 May 31;31(1):14. doi: 10.1186/1880-6805-31-14. PMID: 22738673; PMCID: PMC3427038. https://pmc.ncbi.nlm.nih.gov/articles/PMC3427038/

2. Guillaume Chevance, Kelton Minor, Constanza Vielma, Emmanuel Campi, Cristina O’Callaghan-Gordo, Xavier Basagaña, Joan Ballester, Paquito Bernard, A systematic review of ambient heat and sleep in a warming climate, Sleep Medicine Reviews, Volume 75, 2024, 101915, ISSN 1087-0792, https://doi.org/10.1016/j.smrv.2024.101915.