>>212953279
Depends on the time of year.
Summer, barely any darkness.
>never really tired until I suddenly crash
>sleep 3-4 hours at most, awake again for 5-6 hours, crash and sleep a couple hours, repeat

In winter it's completely different. Dark most of the day.
>normal energy levels
>get tired gradually after being awake for 12-15 hours
>sleep solid 8-10 hours without waking up
>night or day doesn't matter, same shit outside anyway