If your energy, hunger, hygiene, comfort, social or anything else is low, here is a way to boost it up. Click on buy mode or press F2 then hold Ctrl, Shift and C at the same time and a black box which you are able to type in will appear in the top left hand corner. Click on the box and type in:

move_objects on

After you type that in the box press enter. Now you can move anything in the house including your sim. Click on your sim that you would like to refresh then press your delete button. That will delete your sim for the moment. Click on Live Mode or F1 to continue your game. Your sim will have a red dot on its picture so just double click on the picture and your sim will appear at the front door.