Mix It Up: Why Jumping Between Puzzle Types in One Session Makes You Sharper, Not Scattered
Conventional wisdom says to stick with one puzzle type and master it before moving on. But a growing body of research on cognitive flexibility suggests that mixing sudoku, crosswords, logic grids, and brain teasers in a single session might actually be the smarter play. Here's what the science says — and how to build a mixed puzzle session that keeps your brain firing on all cylinders.