One and Done Workout routine helps the body become stronger and endure everyday tasks easily.With a consistent routine, you may become able to walk, run and perform your exercises more efficiently without losing breath. With age, sleep patterns become distorted, which takes a toll on the physical and mental health of a person. Meanwhile, those who stay physically active enjoy better and peaceful sleep at night. Physical activity also helps you wake up active and rejuvenated after a sound sleep. One and Done Workout Sprint Interval training targets the core, butt, and thigh to make it tight and stronger. The lower body becomes toned and attractive after performing these efficient exercises.