1. Beck AT (1978) Depression Inventory. Enter for Cognitive Therapy. Philadelphia
2. Benoit O, Foret J, Bouard G (1983) The time course of slow wave sleep and REM sleep in habitual long and short sleepers: effect of prior wakefulness. Hum Neurobiol 2: 91–96
3. Bezzi G, Pinelli P, Tosca P (1981) Motor reactivity, pain threshold and effects of sleep deprivation in unipolar depressiveness. Psychiatr Clin 14: 150–160
4. Fähndrich E (1981) Effects of sleep deprivation on depressed patients of different nosological groups. Psychiatry Res 5: 277–285
5. Goetze U, Toelle R (1981) Antidepressive Wirkung des partiellen Schlafentzuges während der 1. Hälfte der Nacht. Psychiatr Clin 14: 129–149