Both too much and too little shut-eye can be associated with health problems

A study led by investigators from Massachusetts General Hospital (MGH) and the University of Exeter Medical School has identified another 76 gene regions associated with sleep duration. The study, by a team that recently reported finding gene sites associated with insomnia risk and chronotype (the tendency to be an early riser or a “night owl”), has been published in Nature Communications.

 

Credit: iStock KatarzynaBialasiewicz

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