Cheese and yogurt, a staple of many Romanians' dinner menus, could have an unexpected effect on sleep: causing nightmares. A study conducted by Canadian researchers from MacEwan University in Edmonton, published in the journal Frontiers in Psychology, shows a possible link between dairy product consumption, lactose intolerance and the occurrence of bad dreams, informs AFP. • What the research says Over four months, over 1,000 students were questioned about their eating habits, sleep quality and