How many studies support Shift Work & Sleep?
A large, largely cohort-based meta-analytic literature consistently links night and rotating shift work to worse sleep and multiple downstream harms. That's backed by 8 published studies in Vitaebase's database, including 7 meta-analyses, the most recent from 2026 -- a fairly substantial body of research for a single topic.
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Shift Work & Sleep
Strong evidence
Evidence
76
Impact
62