concept   melatonin
culture   Europe
statement   In Europe, melatonin is used as a natural sleep aid to regulate sleep-wake cycles.
2 similar statements
# Concept Culture Statement Freq.
1 circassian Europe Circassian people have historically been known for their traditional dance and music. 1
2 melatonin Europe Melatonin is often used as a natural sleep aid to regulate sleep-wake cycles. 1