It’s 3 am, you and your wife are both in bed with busy days looming ahead, and your newborn baby is sleeping in a bassinet (or a crib, co-sleeper, or whatnot) near the foot of the bed. Except, of course, the baby is not sleeping, even though it’s the middle if the night and you and your wife desperately need sleep. Instead, chances are the baby is screaming bloody murder.