Daijiworld Media Network - Mumbai

Mumbai, Nov 21: Even as the body rests, it continues to lose water through breathing, sweating and natural metabolic activities. This is why many people wake up feeling thirsty, sluggish or low on energy. Mild dehydration during the night can affect how refreshed and alert one feels the next morning. Experts say that maintaining light hydration in the evening helps the body sustain its natural fluid balance and supports the cooling process needed for restful sleep. It also ensures that essential functions like circulation, nutrient transport and waste removal continue smoothly while you sleep. In most cases, a small sip or two of water before bed is enough to keep the body comfortable through the night.

Drinking a little water before bedtime can prevent symptoms of overnight dehydration, from dry mouth to early-morning thirst. Hydration also plays an important role in regulating body temperature, which naturally dips as the body prepares for sleep. Being adequately hydrated supports this rhythm and may contribute to deeper, more comfortable rest.

Doctors note that water helps the body’s natural cleansing processes by maintaining blood circulation and aiding the transport of nutrients and the removal of waste. Staying hydrated in the evening can also support mood and emotional well-being. Studies have shown that even mild dehydration can affect mental clarity, increase irritability and alter emotional balance. Proper hydration before bedtime may therefore help promote calmness and stability, both at night and upon waking.

For those who have consumed alcohol, a small amount of water before bed may reduce dehydration-related discomfort the next morning by replenishing lost fluids.

However, drinking water at night also has its drawbacks. The most common issue is the increased need to wake up to use the bathroom, which can interrupt sleep and leave one feeling tired the next day. Repeated awakenings disturb the sleep cycle, making it harder to fall back asleep. In some cases, drinking too much water too close to bedtime may also cause discomfort, bloating or electrolyte imbalance.

Doctors advise individuals with conditions like kidney problems, heart issues, diabetes or those on diuretics to take extra care with nighttime hydration, as it may worsen symptoms or disrupt sleep further.

Health experts suggest timing fluid intake wisely, reducing consumption two hours before bedtime and taking only small sips if thirsty. Staying hydrated throughout the day reduces the need to compensate late in the evening. Avoiding diuretics such as caffeine, alcohol and certain teas at night can also help support uninterrupted sleep. Above all, listening to the body’s signals remains key to maintaining a healthy balance.