As I said yesterday, when discussing the sad hours, any day that you can learn something is a good day. Well, I hit the motherlode by learning two things in the same article. First, the sad hours, and then about cognitive shuffling. For those who have trouble falling asleep or, in my case, getting back to sleep, cognitive shuffling might help. We all have problems sleeping throughout our lives, and many factors contribute to it. Like many, I find that the cause of my sleep issues isn’t always the same. But maybe this doctor is onto something…