The claim

「Babies shouldn’t be in air conditioning」

Q: Babies shouldn’t be in air conditioning

Myth — Overheating is a known risk factor for SIDS — the AAP states plainly: do not let your baby get overheated, because it raises SIDS risk. Bundling is far more dangerous than air conditioning. The test is not a number on a thermometer: dress your baby in one layer more than you are wearing, then check for signs of overheating — sweating, a hot chest, flushed skin. No hat indoors once you are home from hospital. Air conditioning itself causes no illness; just keep the airflow off the baby, ventilate regularly and watch fluids.

Verdict

Myth

Overheating is a known risk factor for SIDS — the AAP states plainly: do not let your baby get overheated, because it raises SIDS risk. Bundling is far more dangerous than air conditioning. The test is not a number on a thermometer: dress your baby in one layer more than you are wearing, then check for signs of overheating — sweating, a hot chest, flushed skin. No hat indoors once you are home from hospital. Air conditioning itself causes no illness; just keep the airflow off the baby, ventilate regularly and watch fluids.

Sources

AAP · American Academy of Pediatrics
American Academy of Pediatrics. (2026/09/11). How to keep your sleeping baby safe: AAP policy explained. https://www.healthychildren.org/English/ages-stages/baby/sleep/Pages/a-parents-guide-to-safe-sleep.aspx
Direct source · Academic institution / professional society · checked 2026-10-13

「Babies shouldn’t be in air conditioning」

Verdict

Sources

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Further reading