Cevap :
- Change your flatmate maybe? If you can't, and he never stops even you warn him, throw away his dirty and messy stuff until he stops.
- Do the same to him, make him have to pay. Go to the toilet before him when the bill arives.
- You should not waste your time and finish your tasks as fast as possible so you can have more time to sleep.
- Make a trap for her. For example make her steal a clothes with holes. Or you can leave messages under your stuff.
Çok ciddi cevaplar yazmadım umarım sorun olmaz.