Please choose the correct ending to complete the given sentence: Health: [header] How to sleep on a couch [title] Rearrange the cushions. [step] If you can, take out the bottom cushions and flip them. This will give you a firmer, cleaner surface on which to sleep.

Ending1: You may also want to let the cushions fan out for a while if the sofa is sagging. [substeps] You can sew on some silk and/or vinyl sheets to keep the sofa and cushions together. Ending2: Brush out any crumbs you find. If the back cushions of the couch are detachable, remove them. Ending3: [title] Make sure you have at least two natural fabrics. [step] Lace and satin material work, but not polyester material and therefore can help keep your couch plush without being completely synthetic. Ending4: [substeps] Also, if you might be on your couch during the day, you could try to move the cushions up slightly. Moving a couple cushions back makes your couch easier to lay on.

Answer format: ending1/ending2/ending3/ending4