Over the course of the series, I've noticed that the servants seem to be on call all day. The body servants such as Bates and O'Brien dress their lord/ladyship in the morning and undress them at night. Anna takes care of the house in the morning and undresses Lady Mary at night. And poor Daisy is up before everyone else so she can wake the other servants and is still shown working late at night.
Is such a work schedule for servants realistic or is it a matter of TV series convenience (i.e., the impracticality of hiring different actors to dress/undress his lordship)? I know the servants sometimes take a day or half-day off, and I presume they get a vacation now and then, but, with having to be on call all day, when would Bates and Anna have time to get married and have a child or raise one?