Originally Posted by
pacer142
That's a recent change, and not one that ScotRail (despite also being a First company) have implemented. You can still book a berth in a shared cabin, though there is also a single occupancy rate for second class as well.
Unless it has changed recently, there is only F on the FGW sleeper.
EDIT: I now understand, you were talking about the Caledonian Sleeper.