Why does bloating come with tiredness or heaviness?

Short answer
Digestion uses energy.

What’s usually happening
Blood flow shifts to the gut, which can make you feel heavy or sleepy.

What this is usually not

• low vitamins

• low metabolism

Common reasons

• large meals

• sitting still after eating

What usually helps

• smaller meals

• gentle movement

When to pay attention
If tiredness happens even without eating.

If your bloating feels different from this, go back to the main bloating page.