Nutrition 8 Warning Signs Your Eating Too Much Sugar | Sugar Addiction Prev Article Next Article 6. Fatigue Constant fatigue and listlessness can also be signs of too much sugar in the blood. Sweets give the body a quick energy boost, but afterward, the blood sugar level drops rapidly, resulting in an energy deficit. PrevNext Prev Article Next Article Related Posts Does Milk Actually Make Your Bones Stronger? Lose Weight With Interval Fasting: The Warrior Diet. Intermittent Fasting Tips for Busy Schedules: Boost Health and Productivity