Tired Mums, it is as we have always suspected… while asleep, Dads turn a deaf ear to crying babies.
However, Dads, all is not lost. It seems that there may be “evolutionary differences that make women sensitive to sounds associated with a potential threat to their children while men are tuned to disturbances posing a threat to the whole family.”
If you want to read more, this really interesting article can be found at http://www.express.co.uk/posts/view/143188/Sleep-patterns-Yes-dads-do-turn-a-deaf-ear.