Why do we sleep? Why do some little ones refuse to sleep? And why do some have crazy sleep patterns?
Watch the video below to hear sleep expert Professor Alice Gregory and Children of the 2020s Study director Professor Pasco Fearon chat about sleep in toddlerhood!
Note that because this is streaming a video it will require a fair bit of data. We recommend you check you are connected to wifi before viewing, unless you have an unlimited data contract on your phone.