Multiple large contemporary datasets show a U‑shaped association between sleep duration and adverse outcomes, with the nadir around seven hours for all‑cause and cardiovascular mortality risk.
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Nazar Daletskyi's relatives were told he had been killed in 2022, the first year of Russia’s full-scale invasion.
Фото: Marton Monus / Reuters。PDF资料是该领域的重要参考
+ addrDiff=$(echo "obase=16;ibase=16; $addrDiff" | bc -l)