failed to reach significancep = 0.105
Although a comparison between tonic REM enhancers and non‐enhancers failed to reach significance (enhancement: F 1,13 = 3.046; p = 0.105; η 2 = 0.234), Pearson correlations indicated that overnight improvement in SDSA was associated with a decrease in tonic REM duration from the control to the learning night (cf.