Correlations between inter-session differences for fMRI data and questionnaire scores, and objective sleep debt Indices.

<p>Note. Δvalue, inter-session difference between sleep control and sleep debt sessions for each value; FC_amg-vACC, functional connectivity between amygdala and ventral ACC; SSS, Stanford Sleepiness Scale; STAI, State-Trait Anxiety Inventory; POMS, Profile of Mood States; SWS_{2 h}, slow wave sleep of first 2 h from sleep onset; Delta_{2 h}, delta wave power of first 2 h from sleep onset;</p>*<p><i>p</i><0.05,</p>**<p><i>p</i><0.01,</p>***<p><i>p</i><0.001.</p><p>Degrees of freedom (df) = 13.