The chain has a branch at the Alma Leisure Park. MORE: Loved ones to pay last respects to suspected Derbyshire murder victim Terri Harris at village funeral A spokesperson for the company said: “I can confirm that the Chesterfield branch will be taking part in this offer. “We’ve rustled up a few brand new breakfast dishes this week, and to celebrate, we’re having a pyjama party. “Head to your nearest Frankie’s in your PJs, snap a pic and post on Instagram with the hashtag #PJsatFrankies, and breakfast is on the house." The deal, on breakfasts worth up to £10, is available until Sunday, from opening until midday. The unusual dress code allows for endless bedtime outfit combinations. But Frankie and Benny's highlighted that it is a family restaurant – so the ‘attire choices need to be PG’. For more information about Frankie and Benny’s and its menus, visit www.frankieandbennys.com MORE: Planners give green light to turn former Matlock toilet block into brewery Support your Derbyshire Times by becoming a digital subscriber. You will see 70 per cent fewer ads on stories, meaning faster load times and an overall enhanced user experience. Visit www.derbyshiretimes.co.uk/subscriptions