Build a habit of reading 100 pages in one sitting.
This one skill can help you become a top 0.1% in your domain. Be it learning or working, getting into the top tier requires you to study tough topics that demand undivided attention and to do deep work to drive the most impact in optimal time.
Being able to consistently read 100 pages without getting distracted will help you build an ability to understand, comprehend, and maintain large complex contexts over a longer duration. This improves focus which is essential during studying tough concepts and during your regular SWE work.
Today, when most people have the attention span of a goldfish, you can easily ace your career if you can just put your head down and work without getting distracted.