In this trailer I describe what the point of the Restful Maths podcast is and what it will look like, to begin with at least. To many people mathematics is stressful. The idea of the Restful Maths podcast is that mathematics, and in particular number, can be an aid to a restful end of a stressful day. Introductory music: Guitarholica by Pax11 at www.freeesound.org. Birdsong: Summer by dobroide at www.freeesound.org.