Short, intense workouts “give much better results in about 90% less time”
Evidence:
https://www.oprah.com/health/Lose-Weight-with-Short-Intense-Workouts/1
https://www.under20workout.com/about-the-under-20-workout/
https://www.mensfitness.com/training/sprint-it
https://www.the-aps.org/mm/hp/Audiences/Public-Press/For-the-Press/releases/12/37.html