>>12494987Yes, since our ancestors had to live in groups and one half of the group would have to stay awake in order to watch out for predators, thus those groups which stayed to watch out for predators evolved their melatonin levels to arise later than usual and their circadian rhythm started later.
>That's the reason why I go to bed so late, omg tnx anonNo, it's not you're just a lazy prick, go to bed earlier dumbass