Many people over 50 notice subtle changes like persistent fatigue or swelling in the ankles, which can stem from elevated creatinine levels signaling that the kidneys are working harder to filter waste. This ongoing strain often leads to restless nights and a constant fog that disrupts daily activities, making simple tasks feel overwhelming. But incorporating certain bedtime drinks into your routine might offer gentle support for kidney function and help manage creatinine levels through hydration and natural compounds. Stick around to uncover a surprising combination at the end that could enhance your evenings.