highly significantp = 0.001
In the follow-up ANOVAs, the Diagnosis by Sleep State interaction was highly significant for all frequency bands, with p -values ranging between p = 0.001 (in the SO band: F = 15.2, df 1.25, p = 0.001) and p = 0.008 (gamma band: F = 8.2, df 1.25, p = 0.008).