Psalms 3:6 Kabbalah

אֲנִ֥י שָׁכַ֗בְתִּי וָֽאִ֫ישָׁ֥נָה הֱקִיצ֑וֹתִי כִּ֖י יְהוָ֣ה יִסְמְכֵֽנִי׃

I lay me down, and I sleep; I awake, for the LORD sustaineth me.

Read kabbalistic (mystical) interpretation of Psalms 3:6: and classical mystical sources.