‏الفضائل : Hadeeth No:5764 'A'isha reported: When revelation descended upon Allaah's Messenger (sallAllaahu alayhi wa sallam) even during the cold days, his forehead perspired....

‏الجهاد والسير‏ : Hadeeth No:4316 This hadith has been transmitted on the authority of Ibn Abu Aufa with a slight variation of words....