Disc lesion is typically cause of pain. Central stenosis encroaches on the spinal cord. and causes bilateral symptoms. Foraminal stenosis encroaches on the nerve root exiting that level and usually presents unilateral. Spondylolisthesis can contribute to foraminal stenosis when the top vertebrae moves forward. Forward postures are the most comfortable position.
Stenosis is a progressive disease.
Get in the most comfortable position. No matter what it may be. Use pillows to hold positions. Use ice or heat depending on your needs. Many people do not like ice on their spines.