Apart from disturbing other who might have their room next to the bathroom, the noise of the flush will also wake you up and chances are that you will struggle to fall asleep even more after having done your uncomfortable night journey to the toilet and back.
3. It’s bad for the environment
Think how about it! If you go to the toilet and flush after each use you waste 18-20 gallons of water. This water in Africa would do wonders. Have you heard that our water supply is getting more and more scarce nowadays? If we carry on wasting water we might end up like Africans and they might end up dying!