Is it permissible for a man to be at a woman's home at night if both of her parents are at home, but sleeping? What if they are awake?
May someone who is not accustomed to laying tefillin practice binding at night, when there is no mitzvah, so that they will be proficient at wrapping when the day comes?
Tosfos on psochim 2a discusses about the brothers of yosef why they were not allowed to go by night. Tosfos says that the reason was because they were not familiar with the territory and they could ...