People who regularly go to bed late and are exposed to artificial nighttime light for longer periods, may have immune systems that are less capable of spotting and eliminating cancers, new research finds.

People who regularly go to bed late and are exposed to artificial nighttime light for longer periods, may have immune systems that are less capable of spotting and eliminating cancers, new research finds. ↧ How disrupted sleep can affect breast cancer risk How consistently you get a good night’s rest may affect your risk of disease, new research suggests.