You'd rather keep vermin as far away from your room as possible. There are a number of things you can do to keep out these little creatures. A lot of vermin is attracted by food. So make sure you store your food properly and bring the garbage away on a regular basis. Keep your room clean and ventilate it regularly.
Do you still experience small intruders in your room? Then you can fight them yourself with simple measures. You can fight mice with mouse traps. You can fight fruit flies with draughts. And with bags of lavender you can chase away moths from the wardrobe. Some kinds of vermin you can not fight yourself, such as bed bugs or rats. If you have these kind of vermin then contact the housing manager.
Do you doubt whether you should do something about it or not? Then contact the housing manager.