Instead of coffee, would you try a warm long herbal tea? Anything having ginger, mint, turmeric, clove, cinnamon, cardamom in different combinations. It will replenish water requirements and also help bowel movement. Irregular bowel movements, unsatisfactory defecation, constipation, indigestion are the root causes of many non-communicable diseases like diabetes, heart disease, insomnia, joint diseases, and allergies. The simple Ayurveda tea in 300 to 500 ML quantity starts taking care of the digestion process smoothly.