Why the heck am I ALWAYS joining random servers overnight!?

Hello, stop by and read this. Literally, almost EVERY single time I log into Discord, I got invited overnight! I check discord at night there’s nothing. And by the time the next day comes, I’VE BEEN INVITED TO A RANDOM SERVER. If any discord admins are reading this, PLEASE fix this issue. I don't know if it's the bot's fault or the admins/mods of the server needing more members, please fix this! I only wanted to join the servers I WANT to and not random servers. I hope they fix this