00:00Goodnight BritainEpisode 1BBC One Duration: 1 hour Wed 4th Sep 2013, 00:00 on BBC One Wales HDNight 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