Does 'sleeping by day, working by night' harm the kidneys? VnExpress I have to work through the night. If I catch up on 7-9 hours of sleep the next day, will it still harm my health due to staying up late? (Truong, 33, Hanoi).
9 easily confused signs of weak kidneys VnExpress Overworked or impaired kidney function can cause persistent fatigue, swollen feet, lower back pain, dark urine, and persistent itching.
