1, serenade. Serenade lingering, fascinating, but also conducive to sleep. For example, Schubert, Haydn, Mozart, Chopin and other musicians serenade.

2. Children's songs. Children's songs make people pure, forget the pressure and make good sleep songs. For example, Lu's Little Girl Picking Mushrooms and Let's Paddle.

3. Light music. Light music relaxes people and is recommended by many people to help them sleep. For example, Bandari, Paul Mauriat, mantovani and other light music.

4. Soft piano music. Richard Clayderman's piano music makes people intoxicated, forget their troubles and fall asleep. For example, his autumn whispers, dream wedding, starry sky, memorial of love and so on.