question #1 Sahih al-Bukhari 1921, Book 30, Hadith 30 : What is the significance of the timing between Suhur and the Adhan for Fajr prayer?

Zaid bin Thabit said, “We took the Suhur with the Prophet (ﷺ) . Then he stood for the prayer.” I asked,
“What was the interval between the Suhur and the Adhan?” He replied, “The interval was sufficient to
recite fifty verses of the Qur’an.”