Increased coupling between global grey matter and CSF-derived fMRI signal in young adults after partial sleep deprivation - evidence from the sleepy brain study. - Cornelius Berberich; Leander Müller; Benedikt Zott; Rachel Nuttal; Gerhard Schneider 002; Claus Zimmer; Christian Sorg; Dennis M. Hedderich; Juliana Zimmermann (NeuroImage, 2025)