Poor sleep habits may be linked with higher risk for severe illness in patients with COVID-19, according to Harvard University researchers.
They analyzed survey responses from more than 46,000 participants in the long-term UK Biobank study, including 8,422 who tested positive for COVID-19.
Participants had answered questions from 2006 to 2010 about sleep duration, daytime sleepiness, insomnia and body clocks.
For the new study, based on their responses, the researchers assigned scores ranging from 0 to 6, with higher scores indicating multiple poor sleep “traits.”
In participants with COVID-19, poor scores were associated with higher odds of death.
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Keep on reading: Poor sleep history linked with more severe COVID-19 — Harvard research