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Li Y, Vgontzas AN, Fernandez-Mendoza J, Fang J, Puzino K, Bixler EO.Li Y, et al. Among authors: puzino k.J Sleep Res. 2021 Oct;30(5):e13324. doi: 10.1111/jsr.13324. Epub 2021 Mar 5.J Sleep Res. 2021.PMID: 33675113Clinical Trial.