Sleep has two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). It also has four stages that repeat in 4 to 6 cycles nightly. Each stage affects your body differently, from light ...

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Dan McLaughlin is a senior writer at National Review Online and a fellow at National Review Institute. It is entirely predictable that an extended deadline will result, over and over, in the counting ...

An obsession with the numbers can sink your strategy. by Michael Harris and Bill Tayler Tying performance metrics to strategy has become an accepted best practice over the past few decades. Strategy ...