Check out the somatic work of Thomas Hanna. 30 minutes of supine coordinated movement is great for the parasympathetic.
EDIT: the one I use is paid on Glo.com. Found a free one that seems similar https://youtu.be/F0jwdoSWsio
EDIT: the one I use is paid on Glo.com. Found a free one that seems similar https://youtu.be/F0jwdoSWsio