Sleep disturbance as a marker of postpartum psychosis risk: a prospective actigraphy study. - Petrosellini, Chiara; Eriksson, Sofia H.; Meyer, Nicholas; Antony, Edwin; Protti, Olivia; Donaldson, Lucinda; van Hees, Vincent; Petrie, Aviva; McQuillin, Andrew; Siassakos, Dimitrios (BMC Psychiatry, 2025)