Small time change has big effect on sleep

The clocks will fall back an hour this weekend, marking the end of Daylight Saving Time. But how does a small-time change affect your sleep? It turns out, quite a bit. Dr. Arsenio Páez, senior lecturer and researcher at the Sleep, Cognition and Neuroimaging Laboratory, as well as the Executive Director of the Canadian Sleep Society, joins Global News Morning’s host Laura Casella with what you need to know.