Stephanie Romiszewski is a UK-based sleep expert who combines academic expertise - including degrees in psychology and behavioural sleep medicine and experience within NASA, the NHS and Harvard Medical School - with deep and broad media experience across TV, radio, podcasts and social media. Stephanie was the sleep expert in both Channel 4's 'Secrets of Sleep' series and the BBC's 'Insomnia and me' and has appeared on high profile podcasts including Diary of a CEO with Steven Bartlett.