Chronic Insomnia and MRI-Measured Hippocampal Volumes: A Pilot StudyDieter Riemann, Bernd Feige, Ludger Tebartz van Elst et al.|SLEEP|2007Cited by 257
Does REM sleep contribute to subjective wake time in primary insomnia? A comparison of polysomnographic and subjective sleep in 100 patientsBernd Feige, Dieter Riemann, Ulrich Voderholzer et al.|Journal of Sleep Research|2008Cited by 205