Genome-wide association analysis of self-reported daytime sleepiness identifies 42 loci that suggest biological subtypes

Excessive daytime sleepiness (EDS) affects 10–20% of the population and is associated with substantial functional deficits. Here, we identify 42 loci for self-reported daytime sleepiness in GWAS of 452,071 individuals from the UK Biobank, with enrichment for genes expressed in brain tissues and in n...

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Published in:	Nature communications Vol. 10; no. 1; pp. 3503 - 12
Main Authors:	Wang, Heming, Lane, Jacqueline M., Jones, Samuel E., Dashti, Hassan S., Ollila, Hanna M., Wood, Andrew R., van Hees, Vincent T., Brumpton, Ben, Winsvold, Bendik S., Kantojärvi, Katri, Palviainen, Teemu, Cade, Brian E., Sofer, Tamar, Song, Yanwei, Patel, Krunal, Anderson, Simon G., Bechtold, David A., Bowden, Jack, Emsley, Richard, Kyle, Simon D., Little, Max A., Loudon, Andrew S., Scheer, Frank A. J. L., Purcell, Shaun M., Richmond, Rebecca C., Spiegelhalder, Kai, Tyrrell, Jessica, Zhu, Xiaofeng, Hublin, Christer, Kaprio, Jaakko A., Kristiansson, Kati, Sulkava, Sonja, Paunio, Tiina, Hveem, Kristian, Nielsen, Jonas B., Willer, Cristen J., Zwart, John-Anker, Strand, Linn B., Frayling, Timothy M., Ray, David, Lawlor, Deborah A., Rutter, Martin K., Weedon, Michael N., Redline, Susan, Saxena, Richa
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 13.08.2019 Nature Publishing Group Nature Portfolio
Subjects:	45/43 631/208/205/2138 631/378/1385/519 692/617/375/1816 Accelerometers Adult Age Factors Aged Aging Association analysis Brain Cardiovascular disease Cardiovascular diseases Cognitive ability Coronary artery disease Datasets as Topic Daytime Female Genetic Loci Genome-Wide Association Study Genomes Health risk assessment Heart diseases Humanities and Social Sciences Humans Insomnia Loci Male Mental disorders Middle Aged multidisciplinary Polymorphism, Single Nucleotide Polysomnography Restless legs syndrome Science Science (multidisciplinary) Self Report - statistics & numerical data Sex Factors Single-nucleotide polymorphism Sleep Sleep - genetics Sleep and wakefulness Sleep deprivation Sleep disorders Sleepiness Young Adult
ISSN:	2041-1723, 2041-1723
Online Access:	Get full text
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Summary:	Excessive daytime sleepiness (EDS) affects 10–20% of the population and is associated with substantial functional deficits. Here, we identify 42 loci for self-reported daytime sleepiness in GWAS of 452,071 individuals from the UK Biobank, with enrichment for genes expressed in brain tissues and in neuronal transmission pathways. We confirm the aggregate effect of a genetic risk score of 42 SNPs on daytime sleepiness in independent Scandinavian cohorts and on other sleep disorders (restless legs syndrome, insomnia) and sleep traits (duration, chronotype, accelerometer-derived sleep efficiency and daytime naps or inactivity). However, individual daytime sleepiness signals vary in their associations with objective short vs long sleep, and with markers of sleep continuity. The 42 sleepiness variants primarily cluster into two predominant composite biological subtypes - sleep propensity and sleep fragmentation. Shared genetic links are also seen with obesity, coronary heart disease, psychiatric diseases, cognitive traits and reproductive ageing. A main symptom of chronic insufficient sleep is excessive daytime sleepiness. Here, Wang et al. report 42 genome-wide significant loci for self-reported daytime sleepiness in 452,071 individuals from the UK Biobank that cluster into two biological subtypes of either sleep propensity or sleep fragmentation.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 14 content type line 23
ISSN:	2041-1723 2041-1723
DOI:	10.1038/s41467-019-11456-7