What's the difference between going to bed and sleeping?

First of all, express different meanings

1, sleep: sleep.

2. Sleep: Go to sleep.

Second, the sources are different.

1, Sleeping: Chapters 2 and 3 of A Brief History of Civilization, "Ding Hui went back to the inn alone, wrote some letters to Hunan students, and went to bed before coming back from Washington."

2, sleep: "Dream of Red Mansions" 40th time, "Just eat one more glass of wine, sleep when drunk, who else will laugh at us?"

Synonym introduction: sleeping

Pronunciation: qǐn xι

Express meaning: sleep and rest.

Part of speech: usually used as a verb in a sentence to modify the subject or object.

Ex.: Mo Lao planned the ambush tonight. He didn't show up, but slept in a necklace on a rainy night, so it's best to make corresponding preparations.