Sentiment Analysis of Insomnia-Related Tweets via a Combination of Transformers Using Dempster-Shafer Theory: Pre- and Peri-COVID-19 Pandemic Retrospective Study.

J Med Internet Res · 2022 · PMC9822178 · PMID 36417585

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an increasing trendno p-value reported

An increasing trend was observed during after-midnight intervals when compared to before-midnight intervals, according to the hourly distribution of negative tweets ( Figure 5 B).

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