[header] How to sleep with a pinched nerve [title] Use a firm mattress. [step] A firm mattress will support your body better, which may prevent your body from folding in on the nerve and making it hurt more. If your bed does not have a firm mattress, then you might consider sleeping on your sofa or in a recliner for the night.
[substeps] You can also place a few boards under your mattress to increase the firmness and prevent it from sagging. Another option is to put your mattress on the floor until you have recovered from your pinched nerve.