Here’s Why You Feel So Tired After Pooping

“Stretching laborious throughout a bowel motion can activate the vagus nerve (nerve),” says Ellen M. Stein, M.D., affiliate professor within the division of gastroenterology and hepatology at Rutgers Medical Faculty in New Brunswick, New Jersey.

The vagus nerve is without doubt one of the principal nerves of the parasympathetic nervous system, which controls capabilities similar to digestion, coronary heart price, and immune system perform.

Dr. Stein says activation of the vagus nerve can sluggish the guts price, decrease blood strain, and trigger a phenomenon referred to as vasovagal syncope, which might trigger sudden dizziness and fatigue.

“Whenever you tense up or pressure, your stomach muscle tissue contract, which reduces blood stream to the vagus nerve,” says Dr. Rudolph Bedford, a gastroenterologist at Windfall St. John’s Well being Heart in Santa Monica, California. “In consequence, chances are you’ll really feel dizzy or drained if you rise up after defecating. For some folks, straining an excessive amount of may cause them to faint or lose consciousness.”

Based on Stein, holding your breath whereas defecating could make you’re feeling sick after defecating.