23:30Goodnight BritainEpisode 1BBC One Duration: 1 hour Tue 3rd Sep 2013, 23:30 on BBC One WestNight vision cameras discover the strange world of our problem sleepers.ContributorsPresenter:Sian WilliamsExpert:Kirstie AndersonExpert:Jason EllisSeries Producer:Carrie BrittonSeries Producer:Michael DouglasDirector:Marcus SulleyGenresFactualFactualHealth & WellbeingSeriesGoodnight Britain Source: BBC Online