come to one's senses

[come to one's senses] {v. phr.} 1. Become conscious again; wake up.

The boxer was knocked out and did not come to his senses for several minutes.

The doctors gave Tom an anesthetic before his operation; then the doctor took out Tom's appendix before he came to his senses.

Compare: COME TO (1).

2. To think clearly; behave as usual or as you should; act sensibly.

A boy threw a snowball at me and before I could come to my senses he ran away.

Don't act so foolishly. Come to your senses!

Contrast: OUT OF ONE'S HEAD.