Just under a third of people in Germany feel that the changeover to summer time is having a negative impact on their health, a new survey has found. According to a representative Forsa survey commissioned by the health insurance company DAK-Gesundheit, 30% of Germans suffer from the change from winter to summer time. This is five percentage points more than in the previous year and the highest figure in the past 10 years, according to DAK. The problems appear more severe for women, with 39% of female respondents saying they feel particularly affected – an increase of nine percentage points com…