Recurring Nightmares

Our kids are normally pretty good at sleeping through the night.  As long as everyone is relatively healthy, they go to sleep easily and wake up at a reasonable time in the morning.  With Aaron recently toilet trained, he occasionally comes out of bed in the middle of the night and wakes one of us up for some gladly-rendered assistance in the bathroom, but he's pretty content to go right back to sleep.  The last little while has been a bit of a struggle with Nate, as he has a few molars coming in and this has made him miserable during the day and night.  Most of the time though, we have it pretty good. 
Every once in a while, one of the older boys will wake up very upset in the night - I don't know if this has happened more than once or twice with Aaron in the last year and a half but Peter has always had a flair for the dramatic, and there is no exception for this in the middle of the night.  If something is bothering him, it must certainly be accompanied by much wailing and gnashing of teeth.  Last night was one of those nights.  We woke up to the sound of Peter wailing in deep distress, and both got up to go see what the problem was and to try to quiet him down before the other two woke up.  Through loud sobs, we learned that the poor kid had experienced a nightmare.  When he told us what he was upset about, we recalled that about a month or two ago, he had woken up screaming in the night from the exact same nightmare.  And what is Peter's worst-case, recurring nightmare about, you might ask?

"AARON IS TAKING ALL MY BANANAS AWAY!!!!"