Benefits of Drinking Water on an Empty Stomach: Boost Your Health from the Start of the Day

Drinking water on an empty stomach each morning is a simple yet powerful habit with numerous health benefits. Often referred to as “warm water therapy” or part of Japanese wellness routines, this practice helps kickstart the body’s systems after a night of rest. It’s an easy, accessible way to support overall well-being and vitality.

One of the most immediate benefits is rehydration. After hours of sleep, the body is mildly dehydrated. Drinking 1–2 glasses of water upon waking replenishes fluid levels, helping maintain energy, support brain function, and improve physical performance throughout the day.

Water also stimulates digestion and prevents constipation. Overnight, the digestive system slows, but morning hydration helps awaken intestinal movement and supports regular bowel activity. This aids in toxin elimination and reduces bloating or discomfort.

Another key benefit is enhanced metabolism. Studies show that drinking water first thing in the morning can boost your metabolic rate by up to 24% for over an hour. For those seeking weight management, pairing warm water with lemon can help break down fat and curb cravings naturally.

Hydrating early in the day supports clear skin, improved mood, and better focus. Water helps flush toxins, boosts circulation, and nourishes skin cells from within. It also improves concentration and balances mood, especially since even mild dehydration can impair cognitive function.

Drinking water on an empty stomach also strengthens the immune system and supports kidney health. Adequate hydration helps transport oxygen and nutrients, supports lymphatic function, and ensures that kidneys effectively filter waste, reducing the risk of infections or kidney stones. Making this a consistent morning habit can lead to long-term health improvements. Start with warm water, optionally add lemon, and build it into your morning routine for a healthier, more energized start to every day.