Jul 9, - Sleep deprivation, alcohol and drugs, fever, stress, anxiety and depression can all lead to episodes. Sleep talking is commonly seen in the context of other sleep disorders, especially parasomnias (e.g. night terrors, confusounal arousals, sleepwalking), sleep apnea and REM behavior disorder. Dec 21, - The National Sleep Foundation describes the sleep disorder as "talking during sleep without being aware of it." It can involve complete.