What are some simple scientific ways to boost energy levels?

Three ways to boost energy levels: Exercise regularly, get enough sleep, and stay well hydrated. Exercise increases energy levels in several ways. It adds muscle mass and spurs your body to produce more ATP, the energy-carrying molecules found in all living cells. Exercise also boosts energy-promoting neurotransmitters in the brain, such as dopamine, norepinephrine, and serotonin, which provide that mental lift you feel during and after a workout.