Musnad Abu Ya'la al-Mawsili 117:208

Ammar Abu Yasir narrated to us, Salam Abu al-Mundhir narrated to us, Thabit narrated from Anas, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Women and perfume have been made beloved to me, and the coolness of my eyes has been placed in prayer."