I would not turn off either as paging file is required for good performance and hibernate is a perfected modern feature that makes walking away from your work no longer a concern. Set sleep at 30-45, Hibernate 1-2 hours, enable Hybrid sleep.
Install only programs to SSD while copying User folders data to a data HD, linked to Windows 7 via
Library - Include a Folder - Windows 7 Forums.
If you start running out of space then uninstall lesser-used programs and reinstall to the HD.