During stage 1 sleep, subjects responded to suggestions on two or more nights, up to 5 months apart. While they were awake they did not recall the material to which they successfully responded while asleep on a subsequent night.
No takes yet. Share an insight, caveat, or question.
Evans et al. (1966) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: