Spiders don’t bite people very often. There is a belief that spiders come into your bed and bite you during the night. Australia has some highly venomous spiders, including the Sydney Funnel-web, its relatives in the family Hexathelidae, and the Redback Spider, whose bites can be extremely painful and have historically been linked with deaths in medical records. Most Australian spiders do not have venom that is considered to be dangerously toxic