If you sleep and dream “can’t wake up”, usually for the following reasons. 1, severe neurasthenia, neurasthenia is a kind of neurosis, usually in extreme fatigue or rest and sleep quality is not good, work tension or long-term in the stressful situation will be the phenomenon of the nervous system is very easy to fatigue phenomenon accompanied by sleep disorders. 2, brain stem infarction, brain stem encephalitis and other diseases that affect the sleep center, Dizziness, and will have nightmares while sleeping, dreaming will not be able to wake up.2, brainstem infarction, brainstem encephalitis and other diseases affecting the sleep center.