Final answer:
The most logical response is 'J'aime écouter' which means 'I like to listen' in English.
Step-by-step explanation:
The most logical response to complete the sentence 'de la musique avant de dormir' would be 'J'aime écouter'. This translates to 'I like to listen'. In this context, it means that the person enjoys listening to music before going to sleep.
Learn more about Completing a sentence in French