Meditate every day.
With meditating, it’s best to start small. Try meditating for five minutes a day, and once you are comfortable with that, move it up to 10 minutes, and so on.
Meditating will increase both your self-awareness and self-control. It will help calm your mind and improve your focus. With consistent meditation, you will be able to easily say no to your impulses and focus on more productive activities.