haze during routine tasks. When the body isn’t clearing waste effectively, clarity and focus can suffer. Many people chalk this up to getting older, but persistent fog—especially paired with fatigue—should prompt consideration of kidney screening.
And there’s another layer that frequently worsens both fatigue and concentration.
Poor Sleep, Restlessness, or Frequent Night Waking
Sleep disruption can show up as restless legs, uncomfortable sensations at night, or repeatedly waking. Another common clue is nocturia—needing to urinate multiple times overnight—often tied to shifting fluid balance.
Broken sleep cycles
