I'm not interested in the sleeper...
Apologies, was just comparing Frist Class
With a Standard Solo Sleeper you also get a berth to yourself
You don't get the discount of the Value Advance fare, but the cheapest I can find is a SAVER Single with the £45/£49 supplement
I then wanted to know what the "extras" were between that and First Class, to see if it is worth the extra 50% on the fare component, but clearly it is not