Yeah slip that shit happens to me too. At least once a day (unless I barely talked to anybody that day, or not at all) I will either say almost word for word what somebody else was about to say, or I will be thinking hard about something and they will pop out with it, then look puzzled as to why they said it lol. Also.. my ex would wake up in the middle of the night for various reasons and I would wake up at the exact same times. We began writing down the times we woke up, then comparing them. It was almost always her fault, but there were a couple times when I would wake her.