How Tired Is Too Tired
If you’re like a lot of people, the last time you hopped out of bed with a spring in your step was Christmas morning when you were five—and you were probably tired then, too. Whether it’s your nutty schedule, a cat who won’t let you sleep for more than five consecutive minutes, or plain old stress, it’s usually pretty easy to see why you’re dragging. Except when it’s not: New research warns that feeling fatigued too often can be a sign of some eye-opening problems....