What's the difference between sleeptalking and somniloquy?

Sleeptalking

Definition:

Example Sentences:

(1) Specifically, they found a 42.5% prevalence of insomnia, 11.2% of nightmares, 7.1% of excessive sleep, 5.3% of sleeptalking, and 2.5% of sleepwalking.
(2) The parasomnias are divided into four groups: Arousal disorders (sleepwalking, night terrors, and confusionnal arousal), sleep-wake transition disorders (rhythmic movement disorder, sleep starts), REM sleep parasomnias (nightmares, sleep paralysis, hallucinations, and REM sleep behavior disorders), and other parasomnias (sleeptalking, nocturnal enuresis, and nocturnal bruxism.
(3) anorexia nervosa (to affective disorder), Gilles de la Tourette syndrome, and sleeptalking.
(4) Variables that were expected to load on this factor, but did not, were sleeptalking, teeth grinding, and enuresis.

Definition:

Example Sentences:

(1) These patients had none of the usual causes of excessive daytime somnolence but during sleep exhibited stereotypic body movements, tachycardia, respiratory disturbances, somniloquy, and transient arousals in a repetitive fashion.