Meaning of the word "a good laugh and a long sleep are the best cures in the doctor's book" in English

What does "a good laugh and a long sleep are the best cures in the doctor's book" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a good laugh and a long sleep are the best cures in the doctor's book

US /ə ɡʊd læf ænd ə lɔŋ slip ɑr ðə bɛst kjʊrz ɪn ðə ˈdɑktərz bʊk/
UK /ə ɡʊd lɑːf ænd ə lɒŋ sliːp ɑː ðə bɛst kjʊəz ɪn ðə ˈdɒktəz bʊk/
"a good laugh and a long sleep are the best cures in the doctor's book" picture

Idiom

a proverb suggesting that emotional well-being and physical rest are the most effective ways to recover from stress or illness

Example:
You look exhausted; remember that a good laugh and a long sleep are the best cures in the doctor's book.
After a stressful week, I realized a good laugh and a long sleep are the best cures in the doctor's book.