How to Fast for Limitless Focus in 4-Hour Video Calls
If you feel mentally exhausted during long Zoom or Teams meetings, the problem may not only be screen fatigue.
One of the biggest hidden causes of brain fog during work meetings is digestion and unstable energy levels from frequent eating.
Many professionals notice that their focus drops sharply after lunch, especially during back-to-back video calls.
Heavy meals trigger a physiological response called postprandial somnolence — a natural dip in alertness that can reduce concentration, slow thinking, and make it harder to participate actively in meetings.
Posted Jun 3, 2026, 11:55 AM UTC
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