कंटेंट पर जाएँ
inoh

melatonin

/ˌmɛləˈtəʊnɪn/

A hormone that regulates sleep-wake cycles.

“Melatonin helped him fall asleep quickly last night.”
My Deck में जोड़ें
melatonin का चित्र: A hormone that regulates sleep-wake cycles.