It depends on the specific cot sheet frame you have. Some cot sheet frames are designed to be easily disassembled, while others are not intended to be taken apart.

If your cot sheet frame has bolts or screws that connect the various pieces of the frame together, it may be possible to take it apart by simply removing those fasteners. However, if the frame is welded or otherwise permanently joined together, it may not be possible to disassemble it without damaging it.

It's important to note that if you do decide to take apart your cot sheet frame, be sure to follow any instructions provided by the manufacturer or seek the help of a professional if necessary to avoid causing damage or injury.