People who work in offices with more daylight sleep better at night

When office employees return to work, they may find that buildings with increased natural light help them to work better during the day and sleep better at night.

We know that sunlight exposure is important for regulating our body clocks and sleep patterns. But many people don't get enough natural light because they usually spend their days in artificially lit offices with small windows or windows that are shaded with blinds to reduce glare.

Mohamed Boubekri at the University of Illinois and his colleagues ...