• Author: Strijkstra, A. M. D. G. Beersma B. Drayer N. Halbesma S. Daan
• Title: Subjective sleepiness correlates negatively with global alpha (8-12 Hz) and positively with central frontal theta (4-8 Hz) frequencies in the human resting awake electroencephalogram
• Year: 2003
• Reference Type: Journal Article
• Journal/Book Title: Neurosci Lett
• Volume: 340
• Issue: 1
• Pages: 17-20
• Date of Publication: Saturday, 20 December 2003