'All night' in the Bible

She was very old; from girlhood she had lived seven years with a husband, and now had been a widow eighty years. She never left the temple, but continued to worship all day and all night with fastings and prayers.

And Simon answered and said, Master, we toiled all night, and took nothing: but at thy word I will let down the nets.

And it came to pass in these days, that he went out into the mountain to pray; and he continued all night in prayer to God.