Question: what is the legal age you can leave a child overnight?
Answer: 11 to 12 Years - May be left alone for up to 3 hours but not late at night or in circumstances requiring inappropriate responsibility. 13 to 15 Years - May be left unsupervised, but not overnight. 16 to 17 Years - May be left unsupervised (in some cases, for up to two consecutive overnight periods).