Adults with Apnoea-Hypopnoea Index ( AHI ) 5 - < 30/h and Epworth Sleepiness Scale ( ESS ) score 9 underwent 6weeks of treatment with three non-adjustable MADs : self-moulded ( SleepPro 1 ; SP1 ) ; semi-bespoke ( SleepPro 2 ; SP2 ) ; fully-bespoke MAD ( bMAD ) ; and 4weeks no treatment .