| Lewis, Katie J.S., Richards, Alexander, Karlsson, Robert, Leonenko, Ganna  ORCID: https://orcid.org/0000-0001-8025-661X, Jones, Samuel E.  ORCID: https://orcid.org/0000-0001-5821-5889, Jones, Hannah J.  ORCID: https://orcid.org/0000-0001-5821-5889, Gordon-Smith, Katherine, Forty, Liz, Escott-Price, Valentina  ORCID: https://orcid.org/0000-0003-1784-5483, Owen, Michael J.  ORCID: https://orcid.org/0000-0003-4798-0862, Weedon, Michael N., Jones, Lisa  ORCID: https://orcid.org/0000-0001-5821-5889, Craddock, Nick  ORCID: https://orcid.org/0000-0003-2171-0610, Jones, Ian  ORCID: https://orcid.org/0000-0001-5821-5889, Landén, Mikael, O'Donovan, Michael C.  ORCID: https://orcid.org/0000-0001-7073-2379 and Di Florio, Arianna  ORCID: https://orcid.org/0000-0003-0338-2748
      2020.
      
      Comparison of genetic liability for sleep traits among individuals with Bipolar Disorder I or II and control participants.
      JAMA Psychiatry
      77
      
        (3)
      
      , pp. 303-310.
      
      10.1001/jamapsychiatry.2019.4079   | 
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Abstract
Question: Does genetic liability to insomnia, hypersomnia, and chronotype differentiate subtypes of bipolar disorder? Findings: In this case-control study of 4672 participants with bipolar disorder and 5714 control participants, individuals with bipolar disorder I had significantly greater genetic liability to longer sleep duration, whereas individuals with bipolar disorder II had significantly greater genetic liability to insomnia; these findings were replicated in an independent sample. Individuals with bipolar subtypes did not differ in genetic liability to morning or evening chronotype. Meaning: Associations between polygenic liability to insomnia and hypersomnia and clinical strata within bipolar disorder are shown in this study for the first time, to our knowledge.
| Item Type: | Article | 
|---|---|
| Date Type: | Publication | 
| Status: | Published | 
| Schools: | Schools > Medicine Research Institutes & Centres > MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG) | 
| Additional Information: | This is an open access article distributed under the terms of the CC-BY License. | 
| Publisher: | American Medical Association (AMA) | 
| ISSN: | 2168-622X | 
| Funders: | Wellcome Trust, MRC | 
| Date of First Compliant Deposit: | 16 January 2020 | 
| Date of Acceptance: | 29 September 2019 | 
| Last Modified: | 23 Sep 2024 12:44 | 
| URI: | https://orca.cardiff.ac.uk/id/eprint/126847 | 
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