Macroeconomic theory states that everything that is saved up should be invested. That's why banks exist--to be the mediator between savers and borrowers, who are assumed to be borrowing money to put up investments.
Take a shower, wash off the day. Drink a glass of water. Make the room dark. Lie down and close your eyes. Notice the silence. Notice your heart. Still beating. Still fighting. You made it, after all. You made it, another day. And you can make it one more. You’re doing just fine.