To maintain positive mental energy, you need to maintain appropriate focus and realistic optimism.

Ruminating about things you can’t control drains mental energy quickly, leaving you less energy for what you can control. The more you practice expending your mental energy wisely, the more it will become a habit.

Save your mental energy for productive tasks, such as solving problems...

• Physical Exercise – Doing some light exercise creates a huge boost in your physical energy.
• Think Faster – Games, brainstorming or other thinking exercises boost your mental energy.
• Drink Some Water – Hydrating yourself c...

Trying to focus on something without moving tires the mind. In general, releasing excess energy throughout the day will help you stay on task.

When you need to pay attention during a call or meeting, bring a small object that you can play with, such as putty. Handling something th...