I had the same problem w/ the crinkle noise driving me crazy. I wish I had known about these bedwetting products before my homebirths. When DS had problems w/ bedwetting I found these. I am using them for this birth though!!! DS would empty his whole bladder, before he woke up and these covers absorbed it all. I liked them so much I bought three, to have them handy in an accident, while the other was in the wash. You can buy them at places like Linens n' Things or Bed Bath and Beyond and even places like Wal-mart and K-mart, but here are links to what you should be looking for. They are generally advertised for bedwetting or bladder issues. So, when I've asked clerks they didn't know what I was talking about, until I said I had a child w/ bedwetting problems. They also sell those "blue pads that you find on the bed in hospitals when you arrive", but in a variety of sizes. I bought two of the big ones to cover my whole king size bed in case my water breaks, while I sleep(has happened before), so I don't have to change the whole bed. My bed has one of those really think mattresses that sheets won't fit on. But even if you don't have problems with your sheets not fitting or coming off. Pick up a pair or sheet suspenders(they sell them at the above stores and K-mart for about $5.00 or $6.00). Your sheets won't come iff again, no matter how much moving around you do! Here are some links, so you know what you are looking for. They look and feel like regular mattress pads, but on the other side there is a waterproof barrier. Some of these places even advertise them as "crunch free" waterproof mattress protectors. They range in price for bed size from about $15-$80 and depending on how "deluxe" you want to go. I prefer the ones that are middle grade and up. I learned the hard way only dry them on the delicate cyle so you don't melt the waterproof backing. They really are noiseless(no more crinkling) and comfortable. See if they have them at the above stores locally, so you can see for yourself which you prefer.
Here are links to the waterproof mattress pads and the absorbent overlay pads:
http://www.walmart.com/catalog/produ...uct_id=2611753http://www.bedwettingstore.com/Beddi...ttressPads.htmhttp://www.bedwettingstore.com/Beddi...rProofPads.htmhttp://www.target.com/gp/search.html...t_adv_XSGT0521http://swimcommunity.landsend.com/pp...RCH=PAGE_65063http://bedbathstore.resultspage.com/...core&view=grid
And here are links to the suspenders:
http://www.bedbathstore.com/sheetstr...d=sheetstraps1http://www.sheetsuspenders.com/productinfo.html