3232. From this I was given to learn that evil spirits are compelled to sleep when they are with someone, and thus to cause the person to sleep, and to sleep well, even though surrounded by evil spirits. Otherwise they would surely lay a trap for the person, as they desire to do for everyone, realizing then, if they are not asleep, that they were spirits, separate from him or her. Lest this should happen, spirits must sleep. This was just now revealed to me. 1748, 21 Sept. When they know no otherwise than that they are the person, then they do no harm. This would be to harm themselves. But when the person is sleeping and they are awake, then they are able to know [that they are separate]. 1748, 21 Sept.