
This Traditional Herbal Drink Has Long Been Associated With Supporting Healthy Vision
What Science Says About This Herbal Drink and Its Potential Role in Supporting Healthy Eyes?

When the kidneys have problems, the body often sends warning signs such as sleep disturbances or frequent nighttime urination.
The kidneys play a vital role in filtering blood, eliminating toxins, and regulating blood pressure. However, many people fail to recognize the early warning signs of kidney weakness—especially those that appear at night. Below are five common nighttime symptoms that may signal kidney trouble.
If you often wake up multiple times during the night to urinate, it may be a sign of underlying kidney problems.
Urinating more than twice per night without an increase in evening fluid intake is one of the earliest indicators of weakened kidney function. According to a study published in the Journal of Urology, frequent nighttime urination may be linked to a decline in the kidneys’ ability to concentrate urine. As kidney function weakens, the organs lose control over fluid excretion, leading to frequent urination at night. If this persists, patients should undergo blood tests such as creatinine measurement and glomerular filtration rate (GFR) assessment.
Mild swelling of the ankles, feet, or hands in the evening or after lying down may indicate kidney problems. Weak kidneys reduce the ability to excrete sodium and water, causing fluid retention in the body. A study in the American Journal of Kidney Diseases noted that peripheral edema is a common symptom in patients with chronic kidney disease.
Kidney damage can also affect sleep quality.
Insomnia caused by kidney weakness is considered secondary insomnia. Patients often wake up several times during the night, sometimes accompanied by nighttime urination or restless legs. Research published in the Clinical Journal of the American Society of Nephrology found that kidney dysfunction can disrupt hormonal balance and increase toxin levels in the blood, leading to difficulty sleeping. In addition, kidney disease is linked to restless leg syndrome, which keeps patients tossing and turning at night.

Many people think nighttime cramps are simply due to a calcium deficiency. However, persistent nighttime cramps may be a sign of kidney problems.
Kidney dysfunction can cause electrolyte imbalances, particularly involving calcium, sodium, and potassium—minerals essential for muscle function. Cramps at night are commonly seen in the early stages of kidney disease.
A metallic taste in the mouth is not always caused by digestive issues. If accompanied by fatigue or loss of appetite, it may signal kidney dysfunction.
Morning bad breath or a metallic taste despite good oral hygiene could indicate impaired kidney function. When the kidneys are weak, their ability to remove urea from the blood decreases. Urea accumulates and breaks down into ammonia in saliva, leading to bad breath and a metallic taste. According to Nephrology Dialysis Transplantation, uremic fetor (breath odor caused by urea) is a typical sign of chronic kidney disease.
Kidney disease is often called a “silent illness,” but paying attention to nighttime symptoms such as frequent urination, swelling, insomnia, cramps, or bad breath can help detect the problem early and allow timely treatment.
Regular kidney function check-ups, maintaining a balanced diet, and keeping blood pressure under control are effective ways to protect kidney health.

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