Decreased REM sleep increases death risk: JAMA
USA: Decreased percentage of REM sleep increases risk of mortality, suggests a recent study in the journal JAMA Neurology.
Rapid eye movement (REM) sleep is linked to better health outcomes but not much is known about the association between REM sleep and mortality. Eileen B. Leary, Stanford University, Palo Alto, California, and colleagues investigated whether REM sleep is associated with mortality risk in 2 independent cohorts and to explore whether another sleep stage could be driving the findings.
The study used data from the Outcomes of Sleep Disorders in Older Men (MrOS) Sleep Study and Wisconsin Sleep Cohort (WSC). WSA began in 1988 and MrOS participants were recruited from December 2003 to March 2005. The study included WSC and MrOS participants who had REM sleep and mortality data. Analysis began May 2018 and ended December 2019.
The primary outcome was all-cause and cause-specific mortality confirmed with death certificates.
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