I cannot imagine that someone would sleep during the last part of the night!

—Tawus

(ibn al-Jawzi, vol. 2, p. 285; and Abu Nu’aym, vol. 4, p. 6.)

(Read on pgs 58-59, Ibn Rajab al-Hanbali, The Journey to Allah. Daar us-Sunnah Publishers. Birmingham: 2007.)