Sheets

Aaron goes through these phases that are crazy-making!  Currently he's having an issue with fitted sheets.  All of a sudden he started ripping his sheet off before he goes to bed.  Every day I would put it back on, but he would rip it off.  Nothing changed...he's got the same sheets he's had for a long time...so I don't know what the deal is.  His mattress is starting to get nasty from his grubby body and sleepy time drool that I decided I needed to do something.  So I figure I'd get him some new sheets, and to make it enticing to keep it on, I'd go soft.  He loves soft things, so I bought him some flannel sheets.  I got them washed and was excited to put them on his bed (I LOVE the feel of new sheets--why shouldn't he?).  The next morning--they were off the bed.  We played this "game" for a few days when I realized that the flannel sheets were a bust.  What else is soft?  Fleece!  I saw fleece sheets at Costco recently and thought how I would love to have those sheets, but Husband is a human oven, so there is no way he would sleep with them.  Hmmm....now there's an idea...oops....um...never mind.  So off I went to Costco to find fleece sheets.  It was a successful shopping trip, and I excitedly put on the new sheet when I got home.  No dice.  Sheet was off the next morning.  We are currently playing the fleece sheet game, where I go in and put it on before he goes to bed, and it's off when he gets up--unfortunately I'm losing.  I'm $40 into new sheets that he doesn't like, and I'm not sure where to go from here.  My next thought is satin sheets....but do they make those for twin size beds?  Aren't those for big people beds?  Another option is higher thread count, but I really am not interested in paying $40 for a SINGLE sheet.  I could sew the sheet onto his mattress, but what do I do when he pukes on it in the middle of the night?  At this point I'm in $19.99 each set--so I've got additional pieces here, and I've been getting them in "gender neutral" (white) so that one of the other kids could have them if they didn't work out for Aaron.  (My poor older two kids, they get the rejects from their younger brother--isn't it supposed to be the other way around?)  Anyone have any good ideas?