Definition
This idiom is used to scold someone for not paying attention.
（用於批評他人注意力不集中）回去睡覺吧！
“What did you just say? I didn't catch that.” “Oh, just go back to sleep!”
「你剛剛說什麼？我沒聽清楚。」「哦，回去睡覺吧！」
He kept dozing off in class, so the teacher told him, "If you're so sleepy, just go back to sleep!"
他上課時一直打瞌睡，老師就對他說：「如果你這麼想睡，乾脆回去睡覺吧！」
“I still don’t quite understand the concept.” “Goodness, you should just go back to sleep and stop thinking about it.”
「我還是不太理解這個概念。」「天啊，你還是回去睡覺吧，別再想了。」