To make this drink, you need cardamom, fennel seeds, asafoetida, cucumber, lemon slices, ginger juice, and chia seeds. Roast cardamom, fennel seeds, and hing for about 10 minutes on low heat. Grind this mixture into a coarse powder. In a bottle, add this powder, chopped cucumber, lemon slices, ginger juice, and pre-soaked chia seeds. Fill the bottle with water, shake well, and your bedtime drink is ready.