Most young children in countries like the UK, the US and Australia attend childcare, where their napping patterns often differ to when they are at home.
Source: [New Scientist](https://www.newscientist.com/article/2597121-nap-schedules-at-childcare-may-not-fit-childrens-sleep-needs/?utm_campaign=RSS|NSNS&utm_content=home&utm_medium=RSS&utm_source=NSNS)