New research that dairy products, cheese in particular, could people nightmares. Research in the journal "Frontiers in Psychology" that people with a severe lactose intolerance were more prone to bad dreams and insomnia. Professor Marie-Pierre St-Onge, director of the Dream and Nightmare Lab in Montreal, Canada, the diet, health and sleep patterns of more than 1,000 people. She wanted to the degree to which food affected dreams. She her research on a 2015 study that into "food-dependent dreaming". Participants in the 2015 study cheese and other dairy products for their sleep.
Dr St-Onge that people with gastrointestinal problems and lactose intolerance had scarier and more frequent nightmares. She said: "If you have gastrointestinal issues, that could for a lot of what's in terms of sleep disturbances that could associated with different dreams." Her colleague, Dr Tore Nielsen, said: "Sleep disturbances a huge proportion of the general population. One large survey that 30-40 per cent of individuals will a clinically significant sleep disorder in their lifetime." Previous research that about 85 per cent of adults a nightmare at least once a year, with about 5 per cent of people them frequently.