Sleep tips: http://goo.gl/UtJQpm Buy Night School (UK): http://goo.gl/fZNTYO Buy Night School (US): http://goo.gl/0ITtbH Richard Wiseman is based at the University of Hertfordshire http://www.herts.ac.uk Intro and Outro animations by Cognitive http://www.wearecognitive.com Music: https://cameronwattmusic.wordpress.com The presenter and producers not responsible for any adverse effects resulting from the use of the information presented in this video and this information is not intended to be a substitute for consulting with a healthcare professional.