Buckingham Palace's statement on the Queen's health has been criticised by a range of royal commentators who dubbed it "misleading" and a "stupid thing to do".Her Majesty fell ill at Windsor on Tuesday and "reluctantly" accepted doctors advice to cancel a trip to Northern Ireland, the Palace announced earlier this week.She stayed overnight in hospital on Wednesday but has since returned home to Windsor for rest.On Thursday evening the Palace released a statement saying: "Following medical advice to rest for a few days, the Queen attended hospital on Wednesday afternoon for some preliminary investigations, returning to Windsor Castle at lunchtime today, and remains in good spirits."Various royal experts and reporters have expressed anger at.