Osler test (sleep resistance test)

Illnesses or conditions with increased daytime sleepiness affect both fitness to drive (basic medical requirements) and driving ability (current state of the driver).

It can provide information about

  • Daytime sleepiness


The patient or test subject sits in a low-stimulus environment at sunset and must attempt to stay awake for as long as possible. Sensors register if the person falls asleep. The procedure consists of multiple rounds of a predetermined length, which are repeated at a specific time interval.


Approx. 2.5 hours consultation with the doctor, preparation, osler test with breaks

Pneumologie Schlafmedizin Vasel Osler-Test (Wachbleibetest)


Spalenring 147
4055 Basel

T +41 848 121 121

Opening hours

Monday – Friday
07:30 – 18:00 h


Public transport
Bus no. 50
Tram no. 1, no. 6 Brausebad

Swiss Accreditation SMTS 0069
Swiss Accreditation