Isadora Ambrose on Instagram: "Decades of research show that placing babies on their backs reduces the risk of SIDS. Tummy sleeping is a known risk factor, especially in the early months when babies can’t yet lift or turn their heads easily. Public health campaigns like “Back to Sleep” were built on this evidence. But the danger isn’t simply tummy sleeping. Laboratory studies using both animal and mechanical infant head models showed that the greatest risks of rebreathing carbon dioxide and suff