Learned few simple HIIT exercises. Now when I am feeling tired, I do them for 5 minutes, and it resurrects me and boosts productivity significantly. Plus regul

Learned few simple HIIT exercises. Now when I am feeling tired, I do them for 5 minutes, and it resurrects me and boosts productivity significantly. Plus regular exercises (heavy lifting once a week, and interval running 3 times a week) boost energy level and don't take much time.