How to increase focus according to limitless book

Break Down Your Goals: Break down larger goals into smaller, actionable tasks that you can complete every day. This will help you focus on the individual tasks and make progress toward your desired goal. 

Stay Motivated: Set measurable goals for yourself and stick to them. Track your progress and reward yourself for completing each goal. This will help you stay motivated and maintain focus.

Eliminate Distractions: Disable notifications on your phone, use a "do not disturb" feature on your computer, and keep yourself away from any media that might distract you. Avoid multitasking as much as possible.

Practice Meditation: Take a few minutes each day to meditate and clear your mind. This will help you stay focused and better manage your stress and energy.

Exercise: Exercise is an excellent way to boost your energy and stay focused. Exercise increases bloodflow to the brain, which may help you think more clearly.