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. 2023 Feb 17;46(5):zsad033. doi: 10.1093/sleep/zsad033

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© Sleep Research Society 2023. Published by Oxford University Press on behalf of the Sleep Research Society.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 3. — Individual saliva DLMO for 1721 healthy participants, plotted versus their ages. The shaded area represents two SD of the n-weighted means for each 10-year age category. The squares and bars are the means ± SD.