Fig. 1: Design.

a, Locations of iEEG contacts pooled across participants and rendered on a template in MNI space. The inset shows two medial depth electrode contacts (recording the iEEG signal) and the protruding bundle of microwires (recording MUA). b, Example hypnogram from a 12-h recording session. Analyses focused on NREM sleep (stages N2 and N3). c, Grand average (n = 20 sessions recorded from ten individuals, mean ± s.e.m. across sessions) of SOs, spindles and ripples.