Normally, I eat a bit of protein and carb every 3 hours to keep my blood sugar regular. I avoid the awful blood sugar crashes this way. I've noticed what when in PEM state, the necessary interval is much shorter, 1.5 to 2 hours. Has anyone else noticed this? Years ago, a doctor told me that many people don't even react to blood sugar drops. He gave the example of soldiers on long marches. I've always theorized that I depend so heavily on blood sugar for energy because my body isn't very good at producing energy any other way. Any thoughts?