Matthew Poole and continuators on Judges 8:13

13 ¶ And Gideon the son of Joash returned from battel before the sun was up ,

By which it may be gathered, that he came upon them in the Night, which was most convenient for him who had so small a number with him; and most likely both to surprise and terrify them by the remembrance of the last Nights sad work, and the expectation of another like it.