The best music to listen to before sleep is often slow, calming, and peaceful music that can help relax your mind and body.

Here are a few options:

1. Classical music - Slow and peaceful classical music like Debussy, Chopin, Bach, Beethoven or Mozart can help relax your mind and body.

2. Nature sounds - The sound of rain, waves, or birds can be very soothing and calming, helping you to relax and fall asleep more easily.

3. Ambient music - Ambient music, which is often instrumental and electronic in nature, can be very calming and meditative, making it a great option for helping you to relax before bed.

4. Instrumental music - Instrumental music without lyrics can be a good option as it can help to calm your mind and reduce any racing thoughts.

5. Meditation music - Music designed specifically for meditation can be very helpful in calming your mind and preparing you for sleep.

Ultimately, the best music to listen to before sleep is one that helps you to relax and wind down after a long day. 

Remember

Everyone has their own preferences when it comes to music, so feel free to experiment with different genres and artists until you find the perfect music for you.