If you leave a game running and put the PC to sleep, the game process is suspended. This may cause connection errors in multiplayer games or glitches (like lost audio) upon waking.
By default, Steam download or run games while your computer is in sleep mode . When a system enters sleep mode, the operating system pauses almost all processing, including network activity and disk writing, which causes Steam downloads to stop immediately. Summary of Steam Behavior in Sleep Mode Will Steam Still In Sleep Mode
All active downloads and updates are paused. They will automatically resume once you wake the computer. If you leave a game running and put
If you want to finish a large download while you sleep, standard sleep mode won't work. Instead, consider these alternatives: When a system enters sleep mode, the operating
Results are mixed; while some users report that Steam continues to count "hours played" if a game is left open in sleep mode, the platform generally cannot track activity while the system is in stasis. How to Download Games Overnight