Sleep trackers are designed in so many different ways. You have FitBit, you have head bands, you have things that you can put under your mattress, you have the Oura Ring... There are so many different ways of doing this, which is in itself an issue (!), because everyone claims to have found the one way of measuring how you sleep. 

In the end, the most accurate way of actually measuring your sleep is by really looking at your brainwaves and seeing how they are reacting, because every sleep phase has a different pattern, and even each phase has a different pattern in each sleep cycle. 

Find out more in today's episode