According to CNN, researchers found that babies who “cry-it-out” drift off to sleep faster than those who did not.
Researchers in Australia worked with 43 sets of parents who had babies between 6 and 16 months of age and who had a common complaint: Their child was having problems sleeping. The researchers taught about a third of the parents about graduated extinction, a technical term for crying it out. Parents were asked to leave the room within a minute of putting their child to bed and, if their children cried, to wait longer and longer periods of time before going back to comfort them.
Another third of the parents were asked to try a newer type of sleep training called bedtime fading. In this approach, parents put their infant to bed closer to the time he or she usually fell asleep and could stay in the room until the child dozed off.
The rest of the parents, the control group, did not attempt sleep training and instead received information about infant sleep.