Question:
i dunno why it happens but it only seems to happen when i dont eat enough or havent eaten in the whole day. does anyone know why?
Answers:
When you sit for a long time, blood tends to pool in your legs. Then when you suddently stand up, gravity causes blood to rush away from your head. The lack of blood to the head (and eyes) causes your vision to blacken.
Low blood sugar can exacerbate this effect. Eat more and try not to stand up so quickly
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