midnight
He , in turn , glanced at Marcello , and she understood . She begged Marcello to go and get some rest . Her voice was very weak , as if she were suffocating , and she coughed painfully . He did not like to go away , but Kalmon promised to call him at midnight ; he had been in the room six hours , scarcely moving from his seat . He lingered at the door , looked back , and at last went out . `` Will she come ? '' asked Regina , when he was gone .