Expressive

rs1194281 - NEGR1

Magnitude 2.2 · 1 study on file

Reported associations

  • Genome-wide meta-analysis of insomnia prioritizes genes associated with metabolic and psychiatric pathways. - Nature genetics (2022) · Watanabe K, Jansen PR, Savage JE, Nandakumar P, Wang X, Hinds DA, Gelernter J, Levey DF, Polimanti R, Stein MB, Van Someren EJW, Smit AB, Posthuma D · PubMed 35835914

    Insomnia is a heritable, highly prevalent sleep disorder for which no sufficient treatment currently exists. Previous genome-wide association studies with up to 1.3 million subjects identified over 200 associated loci. This extreme polygenicity suggested that many more loci remain to be discovered. The current study almost doubled the sample size to 593,724 cases and 1,771,286 controls, thereby increasing statistical power, and identified 554 risk loci (including 364 novel loci). To capitalize on this large number of loci, we propose a novel strategy to prioritize genes using external biological resources and functional interactions between genes across risk loci. Of all 3,898 genes naively implicated from the risk loci, we prioritize 289 and find brain-tissue expression spec

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Lifestyle context

Concrete actions anchored to the cited research. We do not prescribe, we describe.

Discuss with your doctor

  • cognitive behavioral therapy for insomnia Moderate

    CBT-I is evidence-based first-line psychological treatment for insomnia; strongly indicated for NEGR1 T-allele carriers with genetic predisposition

    arrange evaluation with board-certified sleep medicine specialist for CBT-I assessment

Exercise

  • aerobic exercise for sleep improvement Moderate

    Physical activity improves sleep quality and duration; particularly important for those with genetic predisposition to insomnia via NEGR1

    150 minutes per week moderate aerobic exercise, complete at least 3 hours before target bedtime

Lifestyle

  • optimize sleep hygiene for insomnia prevention Moderate

    NEGR1 rs1194281 T allele associated with increased insomnia risk; consistent sleep schedule and sleep environment optimization are evidence-based first-line interventions

    maintain consistent 23:00-07:00 sleep schedule, keep bedroom cool (65-68F) and dark, avoid screens 1 hour before bed

  • stress management and relaxation practices Moderate

    Psychological stress and anxiety significantly impair sleep; relaxation techniques are evidence-based for insomnia management in NEGR1 carriers

    practice 10-20 minutes daily of meditation, progressive muscle relaxation, or deep breathing