The liver plays a vital role in detoxification, nutrient metabolism, energy storage, and digestive support for the body. When liver function declines, these essential processes are disrupted, with abnormal symptoms often becoming more noticeable at night.
Persistent itching
Liver disease sometimes causes itchy skin, especially at night. One reason is bile salt accumulation in the blood. Impaired liver function affects bile salt elimination, leading to their buildup in the body and causing itching. This persistent condition often resists improvement from common lotions or allergy treatments.
Unlike typical itching, which appears and then gradually subsides, liver-related itching can be widespread and persistent. This symptom is common in individuals with chronic liver conditions like cirrhosis.
Leg cramps and muscle stiffness
Reduced liver function impairs the body's mineral balance, raising the risk of potassium, magnesium, and calcium deficiencies, which can cause muscle spasms. For liver patients, circulation may also suffer, preventing muscles (especially in the lower limbs) from receiving adequate oxygen and nutrients.
Cirrhosis often involves malnutrition and muscle loss, making muscles more vulnerable. Declining liver function can lead to the accumulation of substances in the body, affecting the nervous system and muscles. This can result in cramps, causing discomfort and impacting quality of life.
Sleep disturbances
When the liver is weak, its detoxification capacity diminishes, allowing substances like ammonia to accumulate in the blood. This directly affects the brain, causing restlessness and sleep difficulties. The liver helps regulate circadian rhythms; when its function is disturbed, the sleep-wake cycle is disrupted, leading to nighttime insomnia and daytime sleepiness.
Hormone imbalances, particularly with melatonin—the sleep-inducing hormone—make it difficult for patients to achieve deep sleep. Common symptoms like itchy skin, cramps, and bloating also disrupt sleep.
Patients should seek medical consultation to identify the cause and receive appropriate treatment for better sleep. Maintaining regular sleep hours, practicing relaxation techniques, or doing yoga can also improve sleep quality. Keeping a sleep diary and discussing it with a doctor helps clarify the issue.
To protect the liver, maintain a healthy diet rich in green vegetables and fruits, limiting fried, oily, and refined sugar foods. Drink enough water, limit alcohol, maintain a healthy weight, and exercise regularly to reduce fatty liver risk.
Getting sufficient sleep, avoiding late nights, not self-medicating or using dietary supplements without professional advice, and undergoing regular health check-ups help detect liver problems early.
By Le Nguyen (Sources: WebMD, Times of India)
