failed to reach significanceP=0.055
Overnight memory improvement closely failed to reach significance (t 23 =2.02, P=0.055).
Overnight memory improvement closely failed to reach significance (t 23 =2.02, P=0.055).
Furthermore, the correlation between the change in the up-state phase length from the CONTROL to the EXPERIMENTAL NIGHT and the overnight change in memory performance just failed to reach significance (r 24 = 0.39, P= .058; cf.