Exploring Predictors of Sleep State Misperception in Women with Posttraumatic Stress Disorder - PubMed (original) (raw)

Exploring Predictors of Sleep State Misperception in Women with Posttraumatic Stress Disorder

Kimberly A Arditte Hall et al. Behav Sleep Med. 2023 Jan-Feb.

Abstract

Objectives: Insomnia is a common symptom of posttraumatic stress disorder (PTSD) that is resistant to first-line cognitive behavioral interventions. However, research suggests that, among individuals with PTSD, self-reported sleep impairment is typically more severe than what is objectively observed, a phenomenon termed sleep state misperception. Relatively little research has examined which individuals with PTSD are most likely to exhibit sleep state misperception. This study explored clinical predictors of sleep state misperception in a sample of 43 women with PTSD and clinically significant sleep impairment.

Method: During a baseline assessment, participants' PTSD symptoms were assessed using a clinical interview and their sleep was assessed using the Pittsburgh Sleep Quality Index (PSQI). Objective sleep, self-reported sleep, and PTSD symptoms were then assessed over a 1-week period using actigraphy and daily diaries.

Results: Consistent with previous research, women in the study exhibited total sleep time (TST), sleep efficiency (SE), and sleep onset latency (SOL) sleep state misperception. For TST and SE, but not SOL, discrepancies between actigraphy and the PSQI were associated with each clinician-rated PTSD symptom cluster, whereas discrepancies between actigraphy and daily diary were only associated with clinician-rated reexperiencing symptoms. The only self-reported PTSD symptom that was uniquely associated with sleep state misperception was nightmares. This association was no longer significant after controlling for sleep-related anxiety.

Conclusions: Results suggest that women with more severe reexperiencing symptoms of PTSD, particularly nightmares, may be more likely to exhibit TST and SE sleep state misperception, perhaps due to associated sleep-related anxiety.

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Figures

Figure 1.

Figure 1.

Differences in a) total sleep time (TST), b) sleep efficiency (SE), and c) sleep onset latency (SOL) across three assessment methods: actigraphy, daily diary, and the Pittsburgh Sleep Quality Index (PSQI). Note. ** p < .01, *** p < .001; error bars reflect +1 standard deviation (SD).

Figure 1.

Figure 1.

Differences in a) total sleep time (TST), b) sleep efficiency (SE), and c) sleep onset latency (SOL) across three assessment methods: actigraphy, daily diary, and the Pittsburgh Sleep Quality Index (PSQI). Note. ** p < .01, *** p < .001; error bars reflect +1 standard deviation (SD).

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