People in a coma have distinct sleep-wake cycles.

the verdict

REFUTED

the evidence says no

Recorded sources

0 sources for · 1 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that people in a coma have distinct sleep-wake cycles?

No. A peer-reviewed review of sleep in disorders of consciousness states that in the comatose state the patient by definition shows no eye-opening and no sleep-wake cycle, directly contradicting the claim.

Verdict: REFUTED · 0 sources for, 1 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 1

Sleep in disorders of consciousness -

Get citation

Sleep in disorders of consciousness - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1016/j.smrv.2009.04.003

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