Diet and exercise are both factors that can influence how long you live, but they’re not the single greatest predictor of your longevity, research suggests.

According to a recent study, there’s something else that might have more of an effect in terms of curtailing your lifespan.

While poor sleep has been previously linked to a host of health issues, this latest investigation found that getting enough shut-eye had a stronger connection to living longer than diet and exercise – factors that are known to add years to your life.