GTD (short for Getting Things Done) this time-management/self-management method was put forward by David Allen (in the field of developing potentials of individuals and companies, he is widely considered to be a world-class authority) in his bestselling book with the same title Getting Things Done: The Art of Stress-Free Productivity (first published in 2001 and revised in 2015).

White Noise is pretty good for at least 3 scenarios: work, study and sleep. That's, it enables you to be more concentrated and pay more attention to your study; work more easily and efficiently; go to sleep more quickly and sleep more sweetly. BTW, it has another less important application - burning in your headphones!

As the saying goes, good health is the capital of revolution, so we must remember to rest when working, for example, overlook the distance every half an hour, if you want to do like this, the Instant Boss is the most suitable to do it, which is a small utility to help you stay focused on working (regularly repeated rest reminding when working).