The Independent reports neonicotinoids, linked to collapse in insect pollinator populations, knock bees’ and flies’ behavioural rhythms out of sync. Almost all living creatures require sleep in some form to function properly, and insects are no exception. But new research warns exposure to a common insecticide, banned in the EU but set for reintroduction to the UK, impacts the sleep of bumblebees and fruit flies, and “may help us understand why insect pollinators are vanishing from the wild”.