Province of Utrecht – Are you a little more irritable, tired during the day or do you have difficulty getting out of bed in the morning this week? That is not surprising at all, because the sun has not been visible in the province of Utrecht for ten days. And that lack of sunlight causes our biological clock to run too slowly, explains professor of biopsychology Leon Kenemans.
Having trouble getting up this week? Not surprising after 10 days without sun
