Importance of sleep and how it affects us physically, psychologically and spiritually. Solutions for better sleep. What does scripture say? Cast your care unto the Lord for He cares for you. Psalm 55:22 If you lie down, you will not be afraid; when you lie down, your sleep will be sweet. Proverbs 3:24 In peace I will both lie down and sleep; for you alone, O Lord, make me dwell in safety. Psalm 4:8