Usually, dreams do not occur during this time.

This supposed dream occurred after a long day of hearing confessions, when he looked for a room to rest in and fell asleep.

Such dreams or reveries only occur when sleep is disturbed.

The last two hours were spent in rapid eye movement sleep when vivid dreams occur.

This tea leads to a deep sleep, in which it is said that vivid dreams and visions occur.

The stage in which the dream occurs is key.

That is to say, dreams don't occur in the time of our watches.

The dreams occur to members of both families simultaneously.

Most dreams occur during the sleep stage characterized by rapid eye movements.

At times, dreams may occur during other stages of sleep.