Eating Too Many Refined Carbs
When sugar and processed carbs are consumed, they cause a rapid rise in your blood sugar. This signals your pancreas to produce a large amount of insulin to get the sugar out of your blood and into your cells.
This spike in blood sugar levels — and subsequent fall — can make you feel exhausted. Craving quick energy, you instinctively reach for another serving of refined carbs, which can lead to a vicious cycle.