Getting outside during the day, even when it’s cloudy, may benefit your sleep, research with college students suggests.
As reported in the Journal of Pineal Research, the study finds that University of Washington students fell asleep later in the evening and woke up later in the morning during—of all seasons—winter, when daylight hours on their Seattle campus are limited and the skies are notoriously overcast.
The team behind this study believes it has an explanation: The data show that in winter students receive less light exposure during the day. Other research has indicated that getting insufficient light during the day leads to problems at night, when it’s time for bed….