Age-related changes in the time course of vigilant attention during 40 hours without sleep in men (Publications)
STUDY OBJECTIVES: To examine whether vigilant attention and sleepiness develop differently during prolonged wakefulness in young and older men. DESIGN, SETTING, AND PARTICIPANTS: Psychomotor vigilance
The Swiss Health Survey Project (SOMIPOPS): an example of a data collection effort from various sources (Publications)
In 1981/82 the first representative health survey (SOMIPOPS "Socio-medical indicators for the population of Switzerland") was conducted 1) to gain representative data on health status (perceived morbi