It shall be unlawful for any person to use a public street, highway, alley, lane, parkway, sidewalk or other right-of-way, whether such right-of-way has been dedicated to the public in fee or by easement, for lying, sleeping or otherwise remaining in a sitting position thereon, except in the case of a physical emergency or the administration of medical assistance. (Ord. No. G-2238, § 1)