What, at this time of night? A pretty business truly

What, at this time of night? A pretty business truly. Are we to have no sleep now, but to be at the beck and call of every ne’er - do - well who happens to pass?
(a) What is the speaker talking about?
(b) How does the speaker feel on coming there?
© What is meant by ‘beck and call’?

(a) The speaker, Persome is talking about having to play host to passing travellers in the middle of the night.
(b) The speaker is upset because she has been woken up in the middle of the night by her brother. She is irritated with the idea of feeding a passing traveller at that hour.
© It means ‘to obey’.