Experts say the "cry it out" method does not cause Baby any harm if parents are consistent. 

By Holly Lebowitz Rossi
September 11, 2012
baby crying it out when to start sleep training
Credit: joffi/Pixabay

Sleep-training techniques that fall under the controversial "cry-it-out" method are actually effective and do not cause psychological harm if conducted in a controlled, consistent way, a new study published in the journal Pediatrics has found. has more: