'Night' in the Bible

the book of this law doth not depart out of thy mouth, and thou hast meditated in it by day and by night, so that thou dost observe to do according to all that is written in it, for then thou dost cause thy way to prosper, and then thou dost act wisely.

And Joshua riseth, and all the people of war, to go up to Ai, and Joshua chooseth thirty thousand men, mighty ones of valour, and sendeth them away by night,

And Joshua sendeth them away, and they go unto the ambush, and abide between Bethel and Ai, on the west of Ai; and Joshua lodgeth on that night in the midst of the people.

and they set the people, all the camp which is on the north of the city, and its rear on the west of the city, and Joshua goeth on that night into the midst of the valley.

And Joshua cometh in unto them suddenly (all the night he hath gone up from Gilgal),