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A cool bed on hot summer nights! This is the bedding that won't keep you warm in the summer: a trick to lower the temperature by -3°C

Choosing the right materials and innovative cooling technology for better sleep in the summer heat

hladna postelja v vročih poletnih nočeh
Photo: Katja Ferenga / Ai art

On summer nights, when temperatures often exceed a comfortable 25°C, choosing the right bedding is key to a restful night's sleep. In this article, we introduce fabrics that wick moisture, provide breathability and prevent overheating, as well as the innovative Polygiene StayCool technology, which lowers the temperature of the fabric by approximately -3°C. Find out which bedding is best for hot summer nights and how to care for it properly. So - a cool bed on hot summer nights.

A cold bed on hot summer nights?! In the summer, when the air conditioners take the afternoon off, nights become a real test of patience. Breathing in the bedroom is reminiscent of a sauna, and the bedding – instead of cooling – hugs you like the warm embrace of a grandmother in flannel pajamas. But the good news: the solution doesn't necessarily mean moving to a cold room. With the right materials and smart technology, you can lower the temperature under your duvet by around 2°C – which is enough to get you through the night without waking up with a “sweaty waterfall” hairstyle.

Below, we reveal the secrets of natural fabrics, the superpowers of modern textiles, and one real cool trick.

Why swear by natural fabrics? A cool bed on hot summer nights?

Flax: old school with a new freshness

If linen was once considered the fabric of monks and minimalists, today it reigns supreme in the bedrooms of those who appreciate the combination of comfort and functionality. 100 % linen sheets can absorb up to three times more moisture than cotton, which means: less tossing and turning, more sleep. Their secret? Thin fabric, excellent breathability and this unusual property that they become softer with each use. Like wine – but for the bed.

Cotton percale: classic but never boring

Percale is like that friend who never lets you down – cool to the touch, airy and always ready for action. Its simple yet effective weave (one thread up, one down – almost meditative) allows air to circulate, which is really helpful on those +27°C nights. A higher thread count doesn’t necessarily mean more luxury – in the heat, it’s more of a trap than an advantage.

Bamboo: panda-approved bedding

Bamboo fabrics are not only kind to the environment (although there are still some chemicals in the processing), but also to your skin. They're cool, wick away moisture, fight bacteria, and, hey – if they're good enough for pandas, they're good enough for us.

TENCEL™ (Eucalyptus Lyocell): a spa experience in the bedroom

TENCEL™ is the VIP material among sheets. In addition to its exceptional softness and silky feel, it is designed with hygiene and durability in mind. It is antibacterial, incredibly effective at wicking away moisture and more durable than most classic fabrics. But it has one drawback - once you try it, it's hard to go back. Let's just say your old cotton will be a little offended. Purchase is possible via this link!

A cool bed on hot summer nights
Photo: Katja Ferenga / Ai art

Trick for a cooler sleep: Polygiene StayCool

And now – the main trump card: Polygiene StayCool cooling technology. No, it’s not a marketing ploy or a dry ice trick. It’s a clever chemical reaction that activates when it comes into contact with moisture (read: sweat). The fabric’s temperature drops by around 2–3°C – enough to keep your body from overheating at night like a smartphone with three apps open at once.

Fabrics enriched with StayCool are perfect for anyone who finds “too warm” the most common reason for a sleepless night. The technology is durable – it can withstand more than 50 washes (and that without complaint), so sheets with it are a good investment for at least a few cooling seasons.


Care tips: let your bedding breathe (literally) – a cool bed on hot summer nights

  • Ventilation, ventilation, ventilation
    Fresh air is free and effective. Air out your bedding after every sleep - bacteria and odors will escape like boredom from a good party.
  • Wash at low temperature
    40°C is more than enough. Add a gentle, bleach-free detergent to keep the cooling technology and natural fabric properties where they belong.
  • Fabric softener? No, thank you.
    If you want your fabric to breathe, don't clog its pores with fabric softener. Seriously – the easiest way to cool down is to breathe.
  • Stains? Vinegar knows more than a YouTube tutorial
    A ratio of 1:2 (vinegar:water), 10 minutes of waiting, and then a normal wash. Magic that works without complications.
  • Drying: slowly and in the shade
    Linen and TENCEL™ prefer discreet shade or the gentle heat of a low-temperature tumble dryer to direct sunlight. You can purchase the products via this link! 

Conclusion: Sleep that finally understands summer

Summer is not the season for compromise – unless it’s bedding. The right fabric choice can mean the difference between sleeping and “sleeping” (read: tossing, sweating, and thinking about iced coffee at 3 a.m.). Natural materials like linen, cotton percale, bamboo, and TENCEL™ are tried-and-true choices. But add StayCool technology and you’ve got a winner.

And the best part? With a little care, these sheets will serve you faithfully summer after summer. Cool, fresh and comfortable – as if you had borrowed a bedroom from a five-star Scandinavian hotel.

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