The busier you are, the more you need quiet time. This article from HBR should not be revelation, it provides evidence and an eloquent argument for the beauty of silence...
Recent studies are showing that taking time for silence restores the nervous system, helps sustain energy, and conditions our minds to be more adaptive and responsive to the complex environments in which so many of us now live, work, and lead.
https://hbr.org/2017/03/the-busier-you-are-the-more-you-need-quiet-time