Sunrise alarms, sleep trackers, apps that make you do maths to wake up…there’s no shortage of sleep tech out there but the big question is…do they work? And more importantly, does it actually matter if we track our sleep?

In a Mind Yourself Now special, sleep consultant Tom Coleman joined Paula MacSweeney in for Dermot and Dave to answer questions on everything from understanding sleep cycles to the best alarm clock to invest in.

You can catch Tom’s tips by clicking play above