Nehemiah 4:22

4:22 At that time I instructed the people, “Let every man and his coworker spend the night in Jerusalem and let them be guards for us by night and workers by day.

Nehemiah 13:22

13:22 Then I directed the Levites to purify themselves and come and guard the gates in order to keep the Sabbath day holy.

For this please remember me, O my God, and have pity on me in keeping with your great love.