It wasnarrated that 'Aishah said:
"We, the family of Muhammad (ﷺ),would stay for a month during which no fire would be lit (forcooking)and we had only dates and water." (JA)
English reference (JA): Vol. 5, Book 37, Hadith 4144 (JA)
Arabic reference (JA): Book 37, Hadith 4283 (JA)