If I wear a tallit katan during the day and also to bed, can I wear the same one during the day and also to bed? Or must the one I wear to bed be a different one than the one I wore during the day? ...
I know many frum people wear tzitzis to bed, but a while ago a fellow told me that you should wear the tzitzis that you're going to wear the next day, because of an obligation to wear the same set for ...
I sleep with my tzitzis on. Is there any part of the body the tzitzis should not touch?