4) Try these fixes for Hibernate in Windows 11: Fix Sleep and Hibernate Don’t Work in Windows 11 - YouTube. 5) What I do is set Power Plan timeouts to 1 minute for Display and Sleep, then 2 minutes for Hibernate. After each step in the tutorials above, restart PC and sit back to observe if the timeouts work. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.