In the wisdom of Traditional Chinese Medicine, sleep is a sacred time when the Yin energy, the cooling, nourishing, and restorative force, replenishes the body, while Yang retreats to the interior. For sleep to be deep and healing, the spirit (Shen) must rest peacefully in the Heart, and the Liver must be free of stagnation. Overnight Balance is a modern blend aligned with these ancient principles. It gently supports the organs and meridians responsible for rest, calm, and in