get head together
get (one's) head together
To organize one's thoughts, often with the aim of regaining one's calm. I really need to get my head together before I go into the board meeting. A: "Susie seemed really stressed this morning." B: "I think she's fine now—she went for a walk and got her head together."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get one's head together
to get one's thoughts or attitude properly organized. I've got to get my head together and get going. I need to take some time off and get my head together.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.