Hi
@camidiazguardia, welcome to the forum. I'm sorry you are having such trouble with your game.
A few things you could check:
1) Do you have any mods or cc? If you do try removing them by moving the whole mods folder to the desktop and seeing if there is still a problem. Outdated mods & cc can cause all sorts of unexpected issues. More info on mods & cc here:
http://www.carls-sims-4-guide.com/forum/index.php?topic=23495.msg410220#msg410220. Even if it's not mods, if you have any leave them out while you try the other suggestions.
2) Have you reset the sims? press control+shift+c to open the cheat bar. Type
resetSim <firstname> <lastname> making sure you type the name correctly with any capitals
3) Make your sims travel using M or the magnifying glass when you zoom completely out. Send them to any other lot and then back again and re-test sleeping.
4) Shut down the game and restart
5) Shut down the game, go to Origin and repair Sims 4. More details here:
http://www.carls-sims-4-guide.com/forum/index.php?topic=21899.msg401672#msg401672Re-test the sleep issue between each option to see if it's fixed.
@MrsFlynn Have I missed anything?