omnicity4659 21 Mar 2015, 3:20 pm #1 omnicity4659 omnicity4659 omnicity4659 Website Posts: 5663 Threads: 36 Joined: Jan 2015 Reputation: 0 Serco Caledonian Sleeper Caledonian Sleeper Sleeper services between London and Scotland. sleeper.scot New franchise starts 1st April 2015 and will be operated by Serco. Serco Caledonian Sleeper discussion goes here. Reply