寄給睡眠之神的一封信

寄給睡眠之神的一封信 is a somber song by 尹毓恪 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 4 minutes and 17 seconds long with a G♯/A♭ key and a major mode. It has low energy and is very danceable with a time signature of 4 beats per bar .