On Tuesday mornings female refugees like Eden come to practise yoga. The sessions are run by Ourmala, a voluntary organisation that every week gives around 60 refugee women a safe space to breathe, heal and rehabilitate. Today, Eden, an Eritrean refugee, is joined in the modestly sized studio space in east London by eight other women from east and central Africa and Afghanistan. Many have experienced torture, trafficking and sexual violence, leaving them with nightmares…