Morning Meltdown 100 offers 100 unique workouts, one per day, for beginner to advanced fitness levels. I tried the workouts — here's what it was like.

All you need are dumbbells to crush this 28-day workout challenge with Ariel Belgrave, CPT, featuring 20-minute upper-, lower-, and full-body strength workouts.

This information could potentially be used to develop time-of-day-based exercise programs that improve metabolic function in people with type 2 diabetes or other metabolic diseases.