Journal
Summer bed vs winter bed: how to switch the bed by season
The bed is never quite the same in July as in January. As the seasons shift, so does the little climate under the duvet — and with it the conditions for a calm night. A summer bed should lead away heat and feel cool against the skin, while a winter bed should close in tightly and keep the warmth in without becoming heavy. To switch the bed by season is not about starting over from scratch, but about changing the right bedding at the right time: sheet, duvet and the additions that fine-tune the temperature. Here we go through how to do it methodically, so the hotel feeling follows you all year — a bed that looks and feels just as carefully made in a heatwave as in frost.
Why the sleep climate changes with the season
The body lowers its own temperature just before and during sleep. A cool bedroom supports that process, which is one reason sleep research repeatedly points to a relatively low room temperature as beneficial. Sleep Foundation sums up that most people sleep best in a cool room and that an overly warm sleep environment disturbs the body's natural cooling and thereby the deep, restorative sleep (Sleep Foundation: Best Temperature for Sleep).
The interesting thing is that it is not only the thermostat that decides. Research that Sleep Foundation references shows that the weight of the duvet widens the temperature range in which you actually feel comfortable — a heavier duvet gives a broader comfort interval, while a lighter duvet requires cooler surroundings to feel pleasant (Sleep Foundation: Bedroom Temperatures and Bedding Choices). That is exactly why seasonal switching works: you do not adjust the house, you adjust the bed. We have written more about how to think about the room in the guide on the best bedroom temperature.
Sheets: percale for summer, Supima for year-round
The sheet lies closest to the skin and therefore sets the keynote for how the bed feels. Here the weave and the cotton quality make a big difference between a cool summer bed and a soft winter bed.
Percale – the cool choice for warm nights
Percale is a dense, simple weave that gives a crisp, matte and airy sheet. Our Ralph in percale with a 200 thread count is woven for exactly that feeling: cool, breathing and with that clean hotel character that becomes especially welcome when the nights are balmy. Percale is the first choice when you want the bed to feel fresh rather than warm. Explore the full selection in the percale collection, or start with a complete Ralph duvet cover set as the base for your summer bed.
Supima – soft lustre that carries through every season
If you want a sheet that works year-round, Supima cotton is a safe choice. Regency Lee in Supima with a 300 thread count has a smooth, slightly more closed surface with a discreet lustre — softer against the skin than crisp percale, but still breathing. That makes Supima a natural year-round base: cool enough for summer when the room is kept airy, while the denser surface feels embracing when it is chilly. See the options in the Supima collection.
- Cool, crisp summer bed: percale, for example Ralph 200tc.
- Soft year-round base: Supima, for example Regency Lee 300tc.
- Winter feeling: keep the Supima and build the warmth with duvet and layers instead of a heavier weave.
The duvet: choose by warmth, not by habit
The duvet is the single biggest lever when you switch the bed. This is where most people make the biggest difference between summer and winter — and where it often goes wrong, because the same duvet is left in place all year out of old habit.
Down or fibre?
Both down and fibre duvets come in different warmth classes, from cool summer duvets to warmer winter duvets. Down is known for being light and mouldable with good breathability, while fibre duvets are a good option if you prefer something easy to care for. What matters most is not the material but that you choose the right warmth for the season: a lighter duvet when it is warm, a fuller one when it is cold. Compare the options in the duvet collection, and delve into the choice in our guide how to choose the right duvet.
A simple seasonal logic
- Summer: a cool, lighter duvet that leads away heat — ideally combined with percale sheets.
- Spring and autumn: a mid-class duvet that handles changeable nights.
- Winter: a fuller, warmer duvet that closes in tightly without feeling heavy.
Since a warmer duvet gives a broader comfort interval, according to the research above, you rarely need to raise the room temperature to be comfortable in winter — it is often enough to step up your duvet's warmth class.
Layer by layer: fine-tune between the extremes
Between high summer and deep winter lie months of changing weather, and that is when layering comes into its own. Think of the bed as something you can add to and take away from, not as a fixed arrangement.
- Bedspread or thin throw: add it on cool evenings, fold it away when the night is warm.
- Mattress topper: a cool, breathing top in summer; a softer, fuller one in winter.
- Pillowcase in the right weave: cool percale near the face on warm nights makes a big difference.
Anyone who wants to build the bed systematically gets a complete method in the guide on building the perfect bed layer by layer. If you want it all in one coordinated expression, a complete duvet cover set is the simplest route to a considered whole.
How to switch the bed – step by step
- Start with the sheet: switch to cool percale ahead of summer, or keep Supima as a year-round base.
- Change the duvet by warmth: lighter for summer, fuller for winter.
- Adjust the layers: add a throw and mattress topper when it cools, take them away when it warms.
- Cool the room: keep the bedroom cool and airy — the bed does the rest.
- Care and store: wash and let the season's textiles rest clean and dry until they are needed again.
When each part has its season, the switch becomes a short, almost peaceful routine — and the bed meets you just as carefully made whether it is bright summer nights or dark winter.
Frequently asked questions
What is the difference between a summer bed and a winter bed?
A summer bed is built to lead away heat and feel cool — ideally with percale sheets and a lighter duvet. A winter bed keeps the warmth in with a fuller duvet and more layers. The difference lies mainly in the duvet's warmth and in how you add or take away layers, not in replacing the whole bed.
Which sheet is coolest for summer?
Percale is the coolest choice. The dense, simple weave gives a crisp, matte and airy sheet that breathes well, for example Ralph in percale with a 200 thread count. It feels fresh against the skin on warm nights.
Can I use the same sheet year-round?
Yes. Supima cotton, like our Regency Lee with a 300 thread count, works as a soft year-round base — cool enough for summer in an airy room and embracing when it is cold. You then mainly switch the duvet and layers by season rather than the sheet itself.
How do I choose the right duvet for summer and winter?
Choose by warmth rather than by material. Take a lighter, cool duvet for summer and a fuller, warmer one for winter. Both down and fibre duvets come in several warmth classes. Since a warmer duvet gives a broader comfort interval, you rarely need to raise the room temperature in winter.
How cold should the bedroom be?
Sleep research points to a cool bedroom favouring sleep, since the body lowers its temperature as you fall asleep. Keep the room airy and cool and let the bed — sheet, duvet and layers — do the fine-tuning by season.