4. It Burns Fat Even AFTER You Stop Working Out
Here's one of the biggest things about HIIT: it continues to burn fat even after you stop working out. Yes, you read that correctly.

HIIT workouts trigger a process known as "excess post-exercise oxygen consumption" (EPOC). EPOC works to compensate for the lack of oxygen triggered by your anaerobic system, which requires energy, which burns calories. Hooray!