Classical music is often used for relaxation and sleep because it tends to be slow-paced and calming.

Music with a tempo of 60-80 BPM is considered to be ideal for sleep because it is close to the resting heart rate.

Melodies that are too complex or stimulating can make it difficult to fall asleep.

Music that is too loud can disrupt sleep, so it is best to keep the volume below 40 dB.

Heavy metal music is typically too loud and stimulating to be conducive to sleep.

Music can help to improve sleep quality by reducing stress and anxiety, blocking out noise, and regulating the body's circadian rhythm.

Jazz, blues, and reggae are all musical genres that are known for their calming and relaxing effects.

Sleep music is a genre of music that is specifically designed to promote sleep.

Music in a major key is generally considered to be more relaxing than music in a minor key.

Music that is played for 60 minutes is considered to be the optimal duration for promoting sleep.

Heavy metal music is typically too loud and stimulating to be conducive to sleep.

Music can help to reduce stress and anxiety by lowering blood pressure, reducing the production of stress hormones, and increasing the production of endorphins.

Music with a fast tempo is generally considered to be more alerting than music with a slow tempo.

The best way to listen to music for sleep is to lie down in a comfortable position.

Rock music is typically known for its upbeat and energizing effects.