Psalms 121:3-5

He will not allow your foot to slip; He who keeps you will not slumber. [1 Sam 2:9; Ps 127:1; Prov 3:23, 26; Is 27:3] Behold, He who keeps Israel Will neither slumber [briefly] nor sleep [soundly]. ¶The LORD is your keeper; The LORD is your shade on your right hand. [Is 25:4]