![Insomnia with objective short sleep duration: The most biologically severe phenotype of the disorder - ScienceDirect Insomnia with objective short sleep duration: The most biologically severe phenotype of the disorder - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1087079212001049-gr8.jpg)
Insomnia with objective short sleep duration: The most biologically severe phenotype of the disorder - ScienceDirect
![Short sleep duration and cardiometabolic risk: from pathophysiology to clinical evidence | Nature Reviews Cardiology Short sleep duration and cardiometabolic risk: from pathophysiology to clinical evidence | Nature Reviews Cardiology](https://media.springernature.com/lw685/springer-static/image/art%3A10.1038%2Fs41569-018-0109-6/MediaObjects/41569_2018_109_Fig3_HTML.png)
Short sleep duration and cardiometabolic risk: from pathophysiology to clinical evidence | Nature Reviews Cardiology
![Short Sleeper Syndrome Is Sleeping For Fewer Than Six Hours Each Night Naturally Stock Illustration - Download Image Now - iStock Short Sleeper Syndrome Is Sleeping For Fewer Than Six Hours Each Night Naturally Stock Illustration - Download Image Now - iStock](https://media.istockphoto.com/id/1387660058/vector/short-sleeper-syndrome-is-sleeping-for-fewer-than-six-hours-each-night-naturally.jpg?s=612x612&w=is&k=20&c=G7uqRHzL50y1ofLTU_Xqvx0BceGCSjaiR99-ThHsu3k=)
Short Sleeper Syndrome Is Sleeping For Fewer Than Six Hours Each Night Naturally Stock Illustration - Download Image Now - iStock
![Nutrients | Free Full-Text | Association of Sleep Duration and Insomnia Symptoms with Components of Metabolic Syndrome and Inflammation in Middle-Aged and Older Adults with Metabolic Syndrome in Taiwan Nutrients | Free Full-Text | Association of Sleep Duration and Insomnia Symptoms with Components of Metabolic Syndrome and Inflammation in Middle-Aged and Older Adults with Metabolic Syndrome in Taiwan](https://pub.mdpi-res.com/nutrients/nutrients-11-01848/article_deploy/html/images/nutrients-11-01848-ag.png?1566965533)