Best Pyjamas for Summer: Stay Cool All Night
Summer nights do not have to mean sweaty, uncomfortable sleep. The right pyjamas make all the difference. Here is what to look for in warm-weather sleepwear.
10 April 2026
European summers are getting hotter, and sleeping comfortably in warm weather has become a real challenge. The wrong pyjamas can leave you waking up drenched and uncomfortable. The right ones — breathable, lightweight, properly fitting — can make a significant difference to the quality of your sleep from May through September.
What Makes a Good Summer Pyjama?
- Lightweight fabric (under 120g/m²) to reduce heat retention
- Breathable natural fibres — cotton, linen, or bamboo viscose
- Loose fit to allow airflow around the body
- Light colours which absorb less heat than dark ones
- Short sleeves or sleeveless options for the hottest nights
- Shorts or capri-length trousers rather than full-length
Best Fabrics for Summer Sleep
Lightweight Cotton (The Safe Choice)
A fine cotton jersey or 100% cotton percale pyjama is the most versatile summer option. It absorbs moisture, breathes well, and washes easily. Look for single-jersey construction (thin, stretchy) rather than the heavier double-jersey used in winter sets. Voile cotton is even lighter and particularly good for Mediterranean-level heat.
Linen (The Natural Cooler)
Linen is the best natural fabric for extreme heat. It has a hollow fibre structure that actively circulates air, and it absorbs up to 20% of its weight in moisture before feeling damp. The only downsides: it creases visibly, feels slightly rough when new (softens considerably after 5–6 washes), and is more expensive than cotton. Worth it if you struggle greatly with summer heat.
Bamboo Viscose (The Modern Option)
Bamboo viscose has become a favourite in premium sleepwear. It is silky soft, naturally antibacterial (reducing odour from sweat), very breathable, and more sustainable than conventional cotton. It feels slightly cooler than cotton against the skin. The main downside: it requires more delicate washing. It is excellent for summer and an increasingly popular choice.
Avoid Polyester and Nylon
Even thin polyester or nylon fabrics trap heat and moisture against the skin. If you sweat at night, synthetic fabrics will make it significantly worse. Check labels carefully — "satin" pyjamas are often polyester satin, which is fine in winter but genuinely uncomfortable in summer heat.
Short Sets vs Long Sets vs Nightshirts
Short sets (matching shorts and short-sleeved top) are the most popular summer option and cover most situations. Nightshirts offer more airflow and are excellent for very hot sleepers. Some people prefer long, loose trousers even in summer as the fabric fanning around the legs can feel cooling — linen is particularly good for this.
Keep two sets ready in summer — one to wear and one fresh, washed set. On very hot nights, you may want to change once during the night, and having a cool, fresh set nearby makes this easy.
Colour and Pattern Tips for Summer
In summer, lighter colours genuinely help — white, cream, pale blue, and pastel tones absorb less radiant heat than navy, black, or deep red. Patterns are fine as long as the base fabric is light. Avoid very dark prints if you sleep in a room with direct sun exposure.
Kids in Summer: What to Know
Children overheat more easily than adults and cannot always communicate discomfort. In summer, dress children in single-layer, loose cotton pyjamas. A cotton short set is ideal from 18 months upwards. Avoid onesies in warm weather as they restrict airflow. If the room temperature is above 24°C, one thin layer is enough — no need for a sleeping bag as well.