How to dress baby for sleep? The complete guide for peaceful nights

Sleep is essential for a baby's healthy development, and quality sleep depends not only on rhythm and routines, but also on how your child is dressed at night. Too hot or too cold: discomfort can quickly disrupt their nights… and yours.

So, how do you find the right balance? Here is a practical guide, validated by pediatric recommendations and enriched with concrete advice for parents.

Why is sleepwear so important for a baby?

Unlike adults, babies have difficulty regulating their body temperature. As a result, pajamas that are too thick or an unsuitable sleep sack can quickly lead to nighttime awakenings. A well-dressed baby sleeps better, stimulates growth, and strengthens memory—all essential aspects for their development.

The golden rule: adapt your clothing to the room temperature

Experts recommend an ideal temperature between 18 and 20°C.

• 🌡️ Room at 18°C ​​→ Long-sleeved bodysuit + cotton pyjamas + TOG 2.5 sleeping bag
• 🌡️ Room at 20°C → Short-sleeved bodysuit + light pyjamas + TOG 1.5 sleeping bag
• 🌡️ Summer heat (up to 24°C) → Lightweight bodysuit + very thin TOG sleeping bag
  

💡 Tip: The nape of the neck is the best indicator of temperature. If it's damp, it means baby is too hot.

Materials to favor (and to avoid)

Breathable materials are preferred:

• ✅ Organic cotton or bamboo: breathable, soft and hypoallergenic.
• ✅ Merino wool: regulates temperature without risk of overheating.

Avoid materials that do not regulate temperature:

• ❌ Synthetics (polyester, thick fleece): retain heat and promote perspiration.

Opt for natural materials: they promote a healthy environment and quality sleep.

And what to do in the summer?

Heat waves often disrupt babies' sleep. In this case, consider:

• A simple sleeveless bodysuit (or a layer if the temperature is really very high)
• Optional: a very thin summer sleeping bag
  

Dressing and bedtime rituals: the winning duo

Dressing your baby also creates a gentle transition to sleep. By establishing a routine (pajamas + story + cuddle), you help them understand that nighttime is beginning.

Practical checklist for dressing baby at night

• Check the room temperature (between 18°C ​​and 20°C)
• Choose breathable materials
• Adjust the thickness of the sleeping bag
• Always cover your feet (light socks), except in summer
• Never use a loose blanket in bed (risk of suffocation)

Dressing your baby properly at night ensures peaceful and restorative nights, essential for their development. Not too hot, not too cold: the secret lies in observation and adaptation.

By respecting these simple rules, you not only promote their comfort, but also their overall development: a well-rested child is a child who learns better.