SLEEP DISORIENTATION By N., Pam M.S. - April 13, 2013 Sleep disorientation is the state of being half awake or half asleep with no normal orientation with the mind in nightmarish thoughts. Some people will become violent at this time. SLEEP DISORIENTATION: "Sleep disorientation used to be called somnolentia." Related Psychology Terms REM SLEEP SLEEP LATENCY SLEEP DEPRIVATION DAYDREAM SLEEP SLEEP INVERSION ZENO'S PARADOXES CONSERVATISM SOMNOLENTIA SLEEP TALKING Cite this page: N., Pam M.S., "SLEEP DISORIENTATION," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/sleep-disorientation/ (accessed October 25, 2020).