Can’t face cutting down on your favourite foods? In this episode, Michael Mosley speaks to Dr Emily Manoogian from the Salk Institute in California to find out how simply changing when you eat - not what you eat - could help you lose weight, lower your blood pressure and cut your risk of Type 2 diabetes. They reveal what exactly happens when your eating times work against your body’s internal rhythms, and why eating late at night can stop you from going to sleep.