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Sleep Regularity Index in Patients with Alcohol Dependence: Daytime Napping and Mood Disorders as Correlates of Interest

Author

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  • Alyssa T. Brooks

    (National Institutes of Health Clinical Center, 10 Center Drive, Bethesda, MD 20892, USA)

  • Shravya Raju

    (National Institutes of Health Clinical Center, 10 Center Drive, Bethesda, MD 20892, USA)

  • Jennifer J. Barb

    (Mathematical and Statistical Computing Lab/CIT/NIH, 12 South Drive Bldg 12A Room 2001, Bethesda, MD 20892, USA)

  • Narjis Kazmi

    (National Institutes of Health Clinical Center, 10 Center Drive, Bethesda, MD 20892, USA)

  • Subhajit Chakravorty

    (Corporal Michael J. Crescenz VA Medical Center, Perelman School of Medicine, MIRECC, 2nd Floor, Mail stop 116, 3900 Woodland Avenue, Philadelphia, PA 19104, USA)

  • Michael Krumlauf

    (National Institutes of Health Clinical Center, 10 Center Drive, Bethesda, MD 20892, USA)

  • Gwenyth R. Wallen

    (National Institutes of Health Clinical Center, 10 Center Drive, Bethesda, MD 20892, USA)

Abstract

Alcohol use disorder (AUD) is often accompanied by comorbid conditions, including sleep disturbances related to sleep regularity and timing. The Sleep Regularity Index (SRI) is a novel measure that assesses the probability that an individual is awake (vs. asleep) at any two time points 24 h apart. We calculated actigraphy-based SRI on 124 participants with alcohol dependence to capture the effects of changes in sleep timing and duration among patients enrolled in an inpatient alcohol treatment program. During the course of the study, the mean SRI increased between weeks 1 and 3 (75.4 to 77.8), thus indicating slightly improved sleep quality and regularity during alcohol treatment. Individuals within the bottom quartile of SRI scores at week 1 improved significantly over time. Average total SRI for individuals with no mood disorders was slightly higher than that for individuals with one or more mood disorders. Increased SRI scores were associated with lower total nap duration from week 1 to week 3. Increased SRI scores were associated with decreased mental/physical exhaustion scores from week 1 to week 3. The SRI could be a target for assessment/intervention in certain sub-groups of individuals undergoing inpatient treatment for AUD.

Suggested Citation

  • Alyssa T. Brooks & Shravya Raju & Jennifer J. Barb & Narjis Kazmi & Subhajit Chakravorty & Michael Krumlauf & Gwenyth R. Wallen, 2020. "Sleep Regularity Index in Patients with Alcohol Dependence: Daytime Napping and Mood Disorders as Correlates of Interest," IJERPH, MDPI, vol. 17(1), pages 1-16, January.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:1:p:331-:d:304790
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    References listed on IDEAS

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    1. Lukas Peter & Richard Reindl & Sigrid Zauter & Thomas Hillemacher & Kneginja Richter, 2019. "Effectiveness of an Online CBT-I Intervention and a Face-to-Face Treatment for Shift Work Sleep Disorder: A Comparison of Sleep Diary Data," IJERPH, MDPI, vol. 16(17), pages 1-11, August.
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    Cited by:

    1. Claudia Carmassi & Francy Cruz-Sanabria & Davide Gravina & Miriam Violi & Chiara Bonelli & Valerio Dell’Oste & Virginia Pedrinelli & Paolo Frumento & Ugo Faraguna & Liliana Dell’Osso, 2023. "Exploratory Study on the Associations between Lifetime Post-Traumatic Stress Spectrum, Sleep, and Circadian Rhythm Parameters in Patients with Bipolar Disorder," IJERPH, MDPI, vol. 20(4), pages 1-16, February.
    2. Bogdana Adriana Năsui & Rodica Ana Ungur & Patricia Talaba & Valentin Nicolae Varlas & Nina Ciuciuc & Cristina Alina Silaghi & Horatiu Silaghi & Dana Opre & Anca Lucia Pop, 2021. "Is Alcohol Consumption Related to Lifestyle Factors in Romanian University Students?," IJERPH, MDPI, vol. 18(4), pages 1-16, February.

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