Possibly-related:<p>* 8sleep blog about the study: <a href="https://www.eightsleep.com/blog/research-paper-reveals-the-eight-sleep-pod-improves-sleep/" rel="nofollow">https://www.eightsleep.com/blog/research-paper-reveals-the-e...</a><p>* "Sleep and subjective age: protect your sleep if you want to feel young" <a href="https://royalsocietypublishing.org/doi/10.1098/rspb.2024.0171" rel="nofollow">https://royalsocietypublishing.org/doi/10.1098/rspb.2024.017...</a>