Research shows that short, intense workouts are beneficial

I started running a year ago to deal with stress and to get in better shape. Instead of a set distance, I do 15 minutes of mixed fast and slow running twice a day. But a friend says unless you’re always trying to go farther and faster, it’s not really helpful. Is that actually true?

A 15-minute full body HIIT workout — no equipment required

How Can Exercise Affect Sleep?

How Long Should Your Workout Last?

The Benefits Of 15-Minute Workouts Will Blow Your Mind

Why Shorter Workouts May Be Better Than an Hour at the Gym - FitOn

Best HIIT Workouts To Do At Home 25 30 Minute HIIT Workouts, 54% OFF

Body-Weight Exercises for Arms, Legs, Core, and More

Researchers Explain Why Exercise Works Magic

Good News: Short Bursts of Exercise Can Keep You Healthy

HIT or MOD: which exercise is best?

24 Best HIIT Workouts to Burn Fat and Build Muscle - What Is HIIT

Can a short, high-intensity workout replace your longer, more moderate routine? - The Washington Post

7 Best Exercises For Weight Loss, Backed By Experts – Forbes Health