By Patricia Markland Cole, MPH, MotherToBaby Massachusetts During my work at MotherToBaby, I have received calls from pregnant woman who want to know what can they safely take to sleep? Usually they are looking at natural remedies like melatonin for information. For some who have been on medications like Ambien before they were pregnant, they now wonder if they can use it because they are having a hard time catching those Zzzz’s. Even though I am not pregnant, I am sure all of us can relate to …