Is drinking water before bedtime good or not?
Disease description:
Recently, many people online have been discussing drinking water before bedtime. I would like to ask, is drinking water before sleep actually beneficial or not?
Doctor's answer (1)
Dr. Yang Ziqi
Drinking an appropriate amount of water is generally acceptable for most people, as it helps maintain the body's water balance, especially during the night when the body continues basic metabolic processes. However, excessive water intake may lead to additional burdens on the body.
1. The human body also loses water at night through respiration and skin evaporation. Supplementing an appropriate amount of water before sleep helps prevent dehydration during the night.
2. Promoting blood circulation: Moderate water intake can dilute the blood, reduce blood viscosity, and help prevent cardiovascular and cerebrovascular diseases.
3. Relieving nighttime thirst: For some individuals, especially the elderly or those with certain medical conditions (such as diabetes), thirst may occur during the night. Drinking an appropriate amount of water before bedtime can alleviate this discomfort.
4. Impacting sleep quality: Excessive water intake may cause frequent nighttime urination, interrupting deep sleep and affecting overall sleep quality.
5. Increasing kidney burden: The kidneys' metabolic capacity is relatively reduced at night, and excessive water intake may place additional strain on the kidneys, potentially harming kidney health over time.
6. Triggering edema: For individuals with impaired heart or kidney function, drinking large amounts of water before sleep may cause localized edema, particularly in the face and around the eyes.
Drinking an appropriate amount of water before bedtime is beneficial for health, but it is important to control the amount consumed to avoid disrupting sleep quality and increasing physical strain.
