Sleep music that increases serotonin and leads to deep sleep

Sleep music that increases serotonin and leads to deep sleep is a melancholic song by Baby Music 335 with a tempo of 120 BPM. It can also be used half-time at 60 BPM or double-time at 240 BPM. The track runs 2 minutes and 55 seconds long with a C key and a major mode. It has low energy and is somewhat danceable with a time signature of 4 beats per bar .