Sentence examples for thinking too much from inspiring English sources

"thinking too much" is a grammatically correct and usable phrase in written English
You can use it to describe excessive or obsessive thoughts about something. For example: - "She couldn't sleep because she was thinking too much about her upcoming presentation." - "I ended up making a mistake because I was thinking too much about what to say next." - "His anxiety was caused by constantly thinking too much about what others thought of him."