Eating late at night could cause several health problems including weight gain and increase in insulin and cholesterol levels show the initial results of an ongoing study. The findings suggest that eating the last meal of the day before 7 p.m. could help you stay in better health. We know from our sleep loss studies that when you're sleep deprived it negatively affects weight and metabolism in part due to late night eating but now these early findings which control for sleep give a more comprehensive picture of the benefits of eating earlier in the day said lead author of