Junk food not only makes you fat - it stops you getting a good night's sleep as well, new research shows. A diet of pizza, take-aways and processed food impairs our deep sleep which can cause memory problems.
It also interferes with hormones which can lead to high blood pressure and obesity. Researchers at Uppsala University gave volunteers an unhealthy as well as a healthy diet in a randomised order.
After the unhealthy diet, the quality of their deep sleep had deteriorated, compared with those who had followed the healthy diet. Jonathan Cedernaes, Physician and Associate Professor in Medical Cell Biology at Uppsala University said: "Both poor diet and poor sleep increase the risk of several public health conditions.
