If you meant academic research regarding biological dogs, several recent and significant papers provide insight into their health and behavior:
This query likely refers to one of two distinct areas: the for PC, or scientific papers regarding the sleep patterns of actual dogs. 1. Sleeping Dogs (Video Game) – PC Resources sleeping-dogs-links-pc
Sleeping Dogs™: Definitive Edition - manual - Feral Interactive If you meant academic research regarding biological dogs,
Community-driven "papers" on Reddit offer 100% completion save files and tips for managing DLC content. sleeping-dogs-links-pc
If you are looking for helpful "papers" or guides for the PC version of the open-world action game, these resources address common performance and gameplay needs: