If you are looking for a way to become more effective and more productive, deep work is the mindset you need. This will make you better at what you do and provide the sense of true fulfillment.
Have you ever talked about a product you liked with a friend and then an advertisement for that same product showed up on your Facebook timeline? That’s not a coincidence.
Have you ever noticed that when you get that "lightbulb" moment, you are usually walking, driving or showering? That's because you're doing something that is physically meditative and thinking about a single, well-defined problem.
The buzzing of your phone, binging sound from your email, a blinking light from an instant message awaiting your response, co-workers talking around you. These are all things that take your attention away from your work.
Diving deep into my Graduate Studies through a book called Deep Work.