All-Nighters May Increase Fat Levels in Blood

Disruptions to a person's normal sleep cycle, such as pulling several all-nighters, could lead to an increase in harmful triglycerides in the blood, a new study on mice suggests.

Though further studies are needed to firm up whether the same holds for humans, scientists often use these rodents as models for human systems.

The new findings could have implications for understanding the health effects of night shifts, 14-hour work days and transoceanic flights. High levels of triglycerides in the blood are a risk factor for heart disease and obesity – not only in mice, but also potentially in people, the researchers say...