Are you getting enough sleep This simple test will tell , World Sleep Day

Subscribe and to the BBC Watch the BBC first on iPlayer Programme website: Michael Mosley and others try an easy test at home the sleep onset latency test. This clip is taken from The Truth , bbc All our TV channels and S4C are available to watch live through BBC iPlayer, although some programmes may not be available to stream online due to rights. If you would like to read more on what types of programmes are available to watch live, check the Are all programmes that are broadcast available on BBC iPlayer FAQ