The Messenger of Allah (ﷺ) observed the noon and afternoon prayers together in Medina without being in a state of fear or in a state of journey. (Abu Zubair said: I asked Sa'id hardship.)
Sahih Muslim Book 6, Hadith 60
← Previous Hadith The Messenger of Allah (ﷺ) observed the noon and afternoon prayers together, and the sunset and Isha' prayers together without being in a state of fear or in a state of journey.

Sahih Muslim Book 6, Hadith 59 Next Hadith → What prompted him to do this? He said: He wanted that his Ummah should not be put to (unnecessary) hardship.

Sahih Muslim Book 6, Hadith 61