175k views
3 votes
The hormone released that regulates the sleep and wake cycle

User Abdesselam
by
8.1k points

2 Answers

7 votes
melatonin? i think but idk
User Nardecky
by
7.7k points
0 votes

Answer:

I think melatonin

Step-by-step explanation:

please tell me if I'm wrong :<

User Gabriel Morin
by
8.7k points
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