Association of hypnotizability and deep sleep: any role for interoceptive sensibility?

F. Diolaiuti, M.P.T. Fantozzi, M. Di Galante, P. D’Ascanio, U. Faraguna, L. Sebastiani, E.L. Santarcangelo

Research output: Contribution to journalArticlepeer-review


The aim of the study was to investigate the possible association of hypnotizability and deep sleep (N3) duration, and whether the interoceptive sensibility influences this association. This was motivated by the proneness of highly hypnotizable individuals to easily change their psychophysiological state, i.e., from wakefulness to hypnosis and sleep, and by the positive association observed between hypnotizability and interoceptive sensibility. Forty-seven healthy participants previously enrolled in a polysomnographic night sleep study completed the questionnaire for Multidimensional Assessment of Interoceptive Awareness (MAIA) and underwent hypnotic assessment through the Stanford Hypnotic Susceptibility Scale, form A (SHSS,A). Results showed that N3 duration is not linearly correlated with hypnotizability. Controlling for a few MAIA scales did not modify the relation between hypnotizability and deep sleep. A polynomial relation indicates that N3 duration and N3 percentage of the total sleep time increase with hypnotizability in the low-to-medium range of hypnotizability and decrease in the medium-to-high range. In conclusion, hypnotic assessment predicts N3 duration and their association is not modified by interoceptive awareness/sensitivity.

Original languageEnglish
Pages (from-to)1937-1943
Number of pages7
JournalExperimental Brain Research
Issue number9
Publication statusPublished - 2020


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