Source: http://www.kidspot.com.au/parenting/child/child-development/if-youre-a-stickler-for-an-early-bedtime-science-is-on-your-side/news-story/e819873a17a7caa06fc5927e7ab65c0e?ref=collection_view,parenthood Got squabbling siblings? Try these tips from children’s clinical psychologist Dr Anna Cohen Mum’s simple trick to stop her kids interrupting goes viral