Although paying special attention to your blood sugar should be a priority for people with diabetes, taking note of what you’re eating can help to prevent a glucose spike, in turn regulating your energy levels, mood, and even hunger. “Sometimes people who experience a blood sugar spike may feel ‘buzzy’—a little jittery or anxious, or like they’re a bit out of balance,” Wendy Bazilian, DrPH, RDN, previously told mbg.