question #3 Sahih Muslim 705f, Book 6, Hadith 66 : In what circumstances did the Prophet Muhammad (ﷺ) combine prayers during his time in Medina?

Ibn ‘Abbas reported that the Messenger of Allah (ﷺ) observed in Medina seven (rak’ahs) and eight (rak’ahs), i. e. (be combined) the noon and afternoon prayers (eight rak’ahs) and the sunset and ‘Isha’ prayers (seven rak’ahs).