Yeshaya 58:13 states that Shabbat is called oneg (delight). I have seen several different items described as oneg shabbos including taking a nap, marital relations, enjoying food at the shabbat meals ...
Kitzur Shulchan Aruch 71:5 reads, in part (translation my own): And it's good that he'll lie at the start of his sleep on the left side and at the end on the right side, as this is good for the ...
For example, if one is on an airplane, and puts food under his/her neighbors seat, and then the neighbor falls asleep, is the food permissible? Does the prohibition only apply where it's a bed, or ...