CIO

What does CIO stand for?

Cry it out

An acronym that stands for "cry it out" and commonly seen on parenting forums.

CIO is a baby sleep training method where the parents let their baby cry until he or she falls asleep. It is a controversial method as some parents argue that the method is neglectful.

Example

He's still not sleeping and my wife is not a big fan of the CIO method

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Updated December 23, 2015

CIO definition by Slang.net

This page explains what the acronym "CIO" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.

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