Association of weekend alcohol consumption with diet variables, body mass index, cardiovascular risk and sleep

•The stage of university training plays a significant role in the strengthening of dietary habits and lifestyles for future professionals.•University students who consumed alcohol had more insomnia and longer sleep latency than those who did not.•Alcohol consumers had an unhealthy diet. Specifically: men who consumed alcohol had a greater consumption of soft drinks, fried foods and pizza compared to non-consumers and women who drank alcohol, consumed more fried foods, pizza and cookies compared to those who did not.