Adjustable Twin Bed Can I Use Any Coil Mattress With My Adjustable Frame Twin Extra Long Bed Bed?

Can I use any coil mattress with my adjustable frame twin extra long bed bed? - adjustable twin bed

I have an adjustable bed and mattress I have a coil in it. Can I get a that fits to you? Or simply especailly for an adjustable frame. Has she too thin? What happens if the mattress has a rope around him, is there?