Holidays: water sports, sun and long sleeps. The rule of 30-8-30

30-8-30. That is thirty minutes of sun exposure, eight hours of sleep and 30 minutes of physical activity. This could be the ‘formula’ to enjoy the holidays in good health and prepare for the post-holiday recovery. The numbers are given by the endocrinologists gathered on the occasion of the 41st National Congress of the Italian Society of Endocrinology (Sie), in Rome from 14 to 17 July.