From the Guidelines
The ideal room temperature for a newborn to sleep is approximately 73°F (23°C), and the recommended amount of clothing is one layer more than what an adult would wear in the same environment. This temperature range is based on the most recent and highest quality study available, which suggests the use of room temperatures of 23ºC compared with 20ºC at birth in order to maintain normal temperature 1. Dressing your baby in one additional layer compared to what you're comfortable wearing in the same environment can help prevent overheating, which is a risk factor for SIDS (Sudden Infant Death Syndrome), while also ensuring your baby stays warm enough since newborns cannot regulate their body temperature as effectively as adults.
Key Considerations
- Always check your baby's neck or back (not hands or feet) to gauge if they're too hot or cold - the skin should feel warm but not sweaty.
- Adjust clothing based on your baby's individual needs, as some babies naturally run warmer or cooler than others.
- Avoid overbundling and covering of the face and head, as this can increase the risk of SIDS 1.
- Use a sleep sack or swaddle, or lightweight pajamas with a wearable blanket, depending on the exact room temperature.
- If the room is on the cooler side, add a light cap and socks, and if it's warmer, a single layer may be sufficient.
From the Research
Ideal Room Temperature for Newborns
- The ideal room temperature for newborns is between 68°F (20°C) and 72°F (22°C) 2.
- A room temperature of 23°C (73.4°F) compared to 20°C (68°F) improved normothermia and body temperature in late preterm and term neonates 2.
- However, it is essential to note that overheating can be harmful, and temperatures above 24°C (75.2°F) can increase the risk of hyperthermia and SIDS 3, 4.
Recommended Amount of Clothing
- The appropriate amount of clothing for newborns depends on the ambient temperature, and excessive clothing can lead to hyperthermia 4.
- Infant swaddling without hats is recommended until they are attempting to roll over, after which appropriate clothing or wearable blankets can be worn 5.
- It is crucial to avoid overheating and ensure that the newborn's clothing and bedding are suitable for the room temperature 3, 4, 5.