'Gogglebox' stars Steph and Dom Parker sleep in separate bedrooms. The posh couple believe the key to their long-lasting marriage is giving one another space to get a good night's rest. They said: ''We sleep in different bedrooms. If you want your marriage to last, we heartily recommend it - we've been doing it for 15 years. ''We both have different sleeping patterns, so this is the best way for both of us.'' Despite their boozy behaviour on the show, the pair insist they aren't always drunk. They added:'' Despite what people think, we're not permanently hammered. We don't hide the fact we love a...