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72 Somatization and Headaches in people with insomnia during the COVID-19 Pandemic: the benefit of exercise.
- Kymberly Henderson-Arredondo, Samantha Jankowski, Emmett Suckow, Shivani Desai, Melissa Reich-Fuehrer, Lindsey Hildebrand, William D.S. Killgore
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- Journal:
- Journal of the International Neuropsychological Society / Volume 29 / Issue s1 / November 2023
- Published online by Cambridge University Press:
- 21 December 2023, pp. 581-582
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Objective:
Stress is well known to increase the severity of somatization and insomnia. A recent major stressor that could have influenced the severity of these presentations was world-wide COVID-19 Pandemic. Somatization is the physical expression of stress and emotional distress that can manifest itself throughout various corporal domains and can be a comorbidity to insomnia. Headaches represent some of the most common complaints associated with brain injuries and neurological disorders but are common in somaticized disorders as well. In large survey study we examined whether exercise was associated with severity of somatization and headaches. We hypothesized that both healthy individuals and those with insomnia who exercised during the pandemic would report less severe somatic symptoms and headaches than those who did not.
Participants and Methods:A large survey was sent out to 4,073 individuals to measure their experience in numerous domains during the COVID-19 pandemic. This survey included a short symptom questionnaire used to measure somatization and the Insomnia Scale Index to measure insomnia. These questionnaires were administered along with a “yes or no” question on whether the participants exercised regularly in that period. A univariate ANOVA was performed to analyze the data to determine if exercise during the pandemic was beneficial in the reduction of somatic symptoms and headache severity. Furthermore, these tests were run to determine if the effect was greater on those with insomnia.
Results:The effect of insomnia and exercise on total somatic symptoms were significant at F(1, 3445)=650.5, p<0.001 and F(1, 3445)=26.1, p<0.001, respectively. For reported headache severity, there was a significant effect of exercise F(1, 4073)=14.5, p<0.001 and insomnia F(1, 4073)=160.5, p<0.001; therefore, those who exercised reported less severe headaches and those who suffered from insomnia reported more severe somatic symptoms. This meant that those who exercised reported less severe somatization and headaches than those who didn’t and those with insomnia reported more severe somatization and headaches than healthy individuals. However, the interaction between exercise and insomnia on overall somatization severity was not significant at F(1, 3445)=3.4, p=0.066 nor for reported headache severity F(1, 4073)=0.81, p=0.370. Despite there not being a significant interaction, the benefit of exercise was slightly greater on healthy individuals than those with insomnia.
Conclusions:Those with insomnia reported more severe headaches and overall somatic symptoms than non-insomniacs regardless of whether they exercised or not. Exercise did make a difference on the reported severity of headaches and somatization in both groups; however, the benefit of exercise on headaches and somatization was greater in individuals who do not suffer from insomnia. Thus, exercise was noted to be beneficial to those in the general population and those suffering from insomnia as it can potentially reduce the severity of somatization and headaches. Of course, this research was cross sectional and correlational, so the directionality of the effects cannot be inferred. For future research, it would be instrumental to use experimental methods to help determine the duration and type of exercise that may optimize its potential benefits on headaches and somatic symptoms.
58 Sex Differences in the Relationship Between Sleep Disruption and Depressive Symptoms During Acute and Chronic Stages of Mild Traumatic Brain Injury (mTBI)
- Melissa J Reich-Fuehrer, Lindsey Hildebrand, Shivani Desai, Kymberly Henderson-Arredondo, William D.S. Killgore
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- Journal:
- Journal of the International Neuropsychological Society / Volume 29 / Issue s1 / November 2023
- Published online by Cambridge University Press:
- 21 December 2023, pp. 163-164
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Objective:
mTBI is trauma to the brain due to a blow or other mechanical force affecting the head. Prior research has established that common symptoms of mTBI include decreased sleep quality and onset/worsening of emotional dysregulation. However, there is little published research investigating how sleep disruption and depressive symptoms are experienced at varying stages of mTBI. We hypothesized that sleep disruption would change with differing time since injury, and that depressive symptoms should accordingly. Additionally, since females tend to have higher rates of depression, we predicted that there would be a significant difference between the sexes at different stages post-mTBI.
Participants and Methods:This study included 145 healthy adults, split into six groups, comparing healthy controls consisting of 15 males (Mage=23.67, SD=5.066) and 17 females (Mage=25.35, SD=7.035) to individuals who had mTBI, 41 males (Mage=26.88, SD=8.509) and 72 females (Mage=23.79, SD=6.898) at five points post-mTBI: 2 weeks and 1, 3, 6, and 12 months. The Pittsburgh Sleep Quality Index (PSQI) global score was used to assess individual sleep quality and disturbances; higher scores indicated poorer sleep quality. The Beck Depression Index (BDI-II) was used to assess characteristics and symptoms of depression. We adjusted the score to exclude item 16, which measures changes in sleep. Higher scores indicate more severe depressive symptoms. We conducted a multivariate analysis of variance and Pearson correlation to examine whether there were significant differences in sleep and depression at different stages of mTBI for each sex.
Results:We discovered that sleep quality was worse at chronic stages of mTBI (i.e, 12M, p=<.001), than at acute stages (2W, p=.049), and compared to healthy controls. There were also significant differences in depression scores compared to healthy controls at 2W, p=.008, 3M, p=<.001, and 6M, p=.012, but not 12M, p=.313, suggesting that depressive symptoms resolved by 12M in those with mTBI. To explain this, we investigated sex differences, as males tend to experience fewer depressive disorders than females. However, females reported fewer depressive symptoms than males at chronic stages of mTBI. This finding was not statistically significant as females had a Mbdi_total=6.84, SD=7.98 and males had a Mbdi_total=5.38, SD=6.078; still, this could be due to the low statistical power of the study, and with a larger sample size, could produce statistically significant differences between the sexes. Despite this, there is a statistically significant difference in the depression score for females between 2W and 12M post-mTBI (p=.046; effect size of d=.99). Comparatively, males showed no significant divergence between depression and sleep scores.
Conclusions:Sleep disruption and depressive symptoms were correlated in individuals with mTBI in both acute and chronic stages; however, at 12M, there was a decrease in this correlation due to females exhibiting fewer depressive symptoms in combination with greater sleep disruption in the chronic phase of mTBI. Further research investigating the relationship between depression and sleep quality by looking at females with a much larger sample size would be helpful in clarifying these associations.