Xanax 2mg contains the salts of alprazolam that are mostly used for anxiety patients. This medicine is generally helpful for quick relief of insomnia disorders and serious anxiety situations in adults. Xanax is not an over-the-counter sleeping pill; it is prescription tablets that are only used under medical advice. You can buy Xanax online in the UK through the UK Sleep Pills website, which is a trusted source for buying sleeping tablets with next-day delivery across the United Kingdom.