Twins can share a cot bed and this is called co-bedding. It is perfectly safe until the twins are ready for childhood beds or when they start to move in a way that they might hurt each other. While there are few studies about co-bedding and the risk of SIDS, the practice of co-bedding twins is very common, especially for the first month. This suggests that co-bedding twins does not significantly increase the risk of SIDS.
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