Word for sudden energy drop after success

single-word-requests

'Come down from a high'?

Also while the word 'comedown' appears to generally mean the depression after a drug high, I've seen it used in non-druggy contexts as well, suggesting a crash after euphoria. For example, in this Reuters headline: In North Dakota's Oil Patch, a Humbling Comedown.


You could say "a post project slump"?

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