People in snowier states appear to sleep for a little longer during winter months than those in sunnier states, according to an analysis of data from Sleep Cycle, reports LiveScience.

Brant Hasler, a sleep expert and assistant professor of psychiatry at the University of Pittsburgh who was not involved in the research, cautioned that the population in the new study is likely not completely representative of each state, because the researchers included only the people who use this particular sleep-tracking app.

In addition, because the study was conducted at one point in time, it cannot say whether people’s sleep habits changed in the wintertime compared to the summertime.

Get the full story at livescience.com