It is natural to feel stuck/sense a lack of clarity at the end of a day when things didn’t go our way.
On such days, it is tempting to attempt to push through and make some progress.
But, the right response is to generally stop what we’re doing and get some sleep.
The combination of rest, renewed optimism, and fresh perspective have a way of making the puzzles that troubled us the previous day feel much more tractable and approachable.