The discrepancy between official guidelines and clinical practice is hardly more pronounced than in the case of benzodiazepines and Z-drugs, also known as benzodiazepine receptor agonists (BZRA). Using social-constructionist positioning theory, we unravel how health care professionals deal with the dilemma of prescribing this medication. Our results reveal a prescribing spectrum that is discursively organised around four different storylines used by professionals. The storylines are organised along three axes that are related to a) prescribers' opinions on prescribing and the negotiation of the related risks, b) the power dynamics between provider and patient in the prescribing process and c) the rhetorical use of arguments. The discerned storylines allow us to explore the emotional and moral side of prescribing and demarcate clinical mindlines -internalised tacit guidelines-that professionals adhere to when they prescribe. By relying on Annemarie Mol's conceptualisation of ontological politics, we explain how these storylines enact multiple versions of this class of medication and justify seemingly contradictory prescribing practices.