‘Ah, yes, sir, now you remind me, I remember. When she didn’t come down that morning, I said to Rebecca, “Very likely she’s had another bad night.”’

Another bad night? Then she was liable to insomnia?’

The witness stared.

‘I beg your pardon. I mean, she sometimes did suffer from want of sleep?’

‘She sometimes had bad nights, sir.’

‘Exactly. And you remembered she had been having them just before this?’

‘Well, no, sir; I can’t say as I do remember that.’

The barrister frowned impatiently.

‘Well, tell me this,’ he said: ‘do you know what she was in the habit of doing on these occasions, when she couldn’t get to sleep?’