NRC next fact check, examines whether the NRC report in the Algemeen Dagblad of 9 May over Duch being campions at sleeping long is correct. The conclusion was drawn on the basis of an article in Science Advances which made use of data from the worldwide used sleepapp. NRC Next consulted among others, Chrono@Work on this topic.
Read the conclusion at http://www.nrc.nl/next/2016/05/13/nederlanders-zijn-kampioen-langslapen-1617974.