Question
Is it necessary to cover one’s head when eating and when entering the toilet?
Answer
It is considered as part of Islamic etiquette (Mustahab) covering the head when eating and when going to the toilet.
عن حبيب بن صالح رحمه الله قال كان رسول الله صلى الله عليه وسلم إذا دخل الخلاء لبس حذاءه وغطّى رأسه ( السنن الكبرى للبيهقى 1/96)
And Allah Ta’ala Knows Best
Yusuf Moosagie