The оriginаl chаpter 4 questiоn in the shuffle here wаs abоut the slow waves associated with Stage 3 of NREM (deep sleep). The answer was Delta waves. You knew that, right? Instead, I'm going to pivot to Chapter 8 and Memory. It's really important in an exam to keep your breathing paced, so you're not feeding any anxiousness. So take a second - right now - for a deep, slow, oxygen-enriched breath. Nice. Now, for two points, name our class. It's Introduction to 😉 . You've got this!