lose the plot

(British & Australian humorous)

to become crazy I was waking up in the middle of the night, not knowing who I was or where I was. I really thought I was losing the plot.

Name	Pronounced	Usage
Michal (1)	-	Czech, Slovak
Morgan	['mɔ:gən]
Clements	['klemənts]
Teodor	te-AW-dawr (Polish), TE-o-dor (Croatian)	Swedish, Norwegian, Danish, Romanian, Czech, Slovak, Polish, Serbian, Croatian, Slovene, Hungarian,
Abrahamson	['eibrəhæmsn]
Kaarlo	KAH:R-lo	Finnish