The extreme routines of the super successful and whether they really improve productivity or just make you feel guilty for not getting up super early. Tim Samuels speaks to tech entrepreneurs - including one whose last meal of the day is at noon and is always in bed by early evening - who all swear by their daily routines. Experts weigh on in whether routines themselves can breed success by freeing up the mind; and if it’s all creating another form of status anxiety for the rest of us. Featuring no-nonsense wisdom from Bridget Jones author Helen Fielding. For extra content, videos and a regular newsletter go to www.bbc.co.uk/allhailkale