This usually covers a variety of experiences, although generally speaking if a person accepts oneself as an animal while dreaming, it can be qualified as a dream-shift. This, in turn, can sometimes lead to emotional stress strong enough to interrupt a dream (person wakes up unexpectedly). To avoid this, different techniques can be used, such as mentioned above. Technically, a number of events and states will fall into the category of dream-shifting, like: while some more events and states can still be considered controversal: