Get ready to feel very emotional with "Smiling in Your Sleep (Calmness and Serenity Relaxation Music)" by Sleeping Birds Music. With a 94 BPM and 4 time signature, the rhythms flow in G major. Spanning 6 minutes and 25 seconds, "Smiling in Your Sleep (Calmness and Serenity Relaxation Music)" radiates low energy from start to finish. Let the very emotional vibes of this track carry you away.