“…For example, nearly 70% of adolescents in one retrospective study reported that thoughts of suicide began just 30 min before their most recent suicide attempt (Negron, Piacentini, Graae, Davies, & Shaffer, 1997). Several proposed clinical diagnoses such as the Suicide Crisis Syndrome (Schuck, Calati, Barzilay, Bloch-Elkouby, & Galynker, 2019) and Acute Suicidal Affective Disturbance (Rogers, Chu, & Joiner, 2019) also include aspects of episodic crisis-like states of intense suicidal thinking (in addition to other states, e.g., agitation) appearing imminently before suicidal behavior. Despite the theoretical support, retrospective empirical work, and earlier calls to do so (Glenn & Nock, 2014), there has been no prospective work exploring the minutes and hours right before a suicide attempt.…”