Dr. James McKenna has done extensive research on mothers and babies sleeping together. His website offers the reasons why he asks healthcare professionals around the world "Is it safe for mothers and babies not to sleep together?"
Most mothers and babies around the world lie on the floor or on a mat and sleep together. The problem with co-sleeping in the western world is the mattresses and covers. Read Dr. McKenna's guidelines for safe co-sleeping. Here's another link with Dr. McKenna's work.
Order Dr. McKenna's book through The New Born Baby Boutique.
