My hb wakes up at the slightest move. Im a deep sleepr and if shes in our bed I dont move at all, staying still even in sleep and wake up uncomfortable. Ive heard that studys have been done on co sleeping. It also is considered a healthy thing to do to prevent sids. Babies in crib or seperate room are the ones studies have found that mostky die of sids. But if it makes you worry or you have uncontrollable sleeping habits I wouldnt chance it

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