Timeline tabs between workspaces

I've gotten used to having separate workspaces, but if I have multiple timeline tabs open, it means I need access to them. Would it be possible to keep all my tabs open between workspaces without making me reopen them every time I change workspaces. Also, they seem to randomly close as you go back and forth. For my workflow, if I open one, I'd like it open until I close it, thank you.