◦ Tables: 1. Specific query string for each database 2. Glossary 3. Demographics and protocol-related details for semantic auditory stimulation studies 4. Outcomes and SDDC-related results for semantic auditory stimulation studies 5. Demographics and protocol-related details for non-semantic auditory stimulation studies 6. Outcomes and SDDC-related results for non-semantic auditory stimulation studies 7. Demographics and protocol-related details for somatosensory stimulation studies 8. Outcomes and SDDC-related results for somatosensory stimulation studies 9. Demographics and protocol-related details for olfactory stimulation studies 10. Outcomes and SDDC-related results for olfactory stimulation studies 11. Demographics and protocol-related details for vestibular stimulation studies 12. Outcomes and SDDC-related results for vestibular stimulation studies 13. Demographics and protocol-related details for visual (top rows) and multimodal (i.e., audiovisual; bottom row) stimulation studies 14. Outcomes and SDDC-related results for visual (top rows) and multimodal (i.e., audiovisual; bottom row) stimulation studies 15. Demographics and protocol-related details for targeted memory reactivation (top rows) and targeted lucidity reactivation (bottom rows) stimulation studies 16. Outcomes and SDDC-related results for targeted memory reactivation (top rows) and targeted lucidity reactivation (bottom rows) stimulation studies