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Ingeborg Forthun

Norwegian Institute of Public Health
Country flagNorway

Research Interests

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Articles (8)

Year:

2026

Year:

2026

Year:

2026

Year:

2026

Year:

2026

Year:

2025

Year:

2025

Background Sleep problems are common in the general population, but there are few studies on the prevalence of sleep problems and hypnotic use among patients in general practice. Objectives To estimate the prevalence of insomnia (based on the Diagnostic and Statistical Manual of Mental Disorders [DSM], version 5), self-reported sleep problems and hypnotic use among patients in general practice, and explore whether the prevalence depended on patient characteristics. Methods A cross-sectional study with questionnaire data collected by 114 final-year medical students while deployed in different general practices in Norway during 2020. A total of 1,848 consecutive and unselected patients (response rate 85.2%) visiting their general practitioners (GPs) completed a one-page questionnaire, that included the validated Bergen Insomnia Scale (BIS), questions on for how long they have had a sleep problem, hypnotic use, and background characteristics. Associations were estimated using a modified Poisson regression model. Results The prevalence of chronic insomnia according to BIS was 48.3%, while 46.9% reported chronic sleep problems (sleep problems of ≥3 months) and 17.8% reported hypnotic use. Females, patients with low compared with higher education, and patients who slept shorter or longer than 7–8 h, had higher risk of chronic insomnia disorder (CID), chronic self-reported sleep problems (CSP), and hypnotic use. The oldest age group (≥65 years) had lower risk of chronic insomnia compared with the youngest (18–34) but twice the probability of hypnotic use. Conclusions CID, CSP, and hypnotic use were prevalent among patients visiting their GP. Insomnia can be effectively treated and deserves more attention among GPs.

Year:

2022

Collaborators (104)

Vikash Ranjan Keshri

Associate Professor

O.P. Jindal Global University

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Muktar Ahmed

Data Scientist

Flinders University

AUSTRALIA
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Konstantinos Kotsis

Assistant Professor of Child and Adolescent Psychiatry

University of Ioannina School of Medicine

GREECE
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Akshaya Bhagavathula

Full Professor of Epidemiology

North Dakota State University

UNITED STATES
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Áurea Madureira-Carvalho

External Professor

Universidade do Porto Faculdade de Medicina

PORTUGAL
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Xiaoyue Xu

Senior Lecturer

University of New South Wales

AUSTRALIA
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Ralph Akyea

Senior Research Fellow

University of Nottingham

UNITED KINGDOM
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Peter William Stubbs

Senior Lecturer

University of Technology, Sydney

AUSTRALIA
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Haosu Tang

Research Associate

University of Sheffield

UNITED KINGDOM
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Omer Subasi

Research Scientist & Lecturer

Yale University

UNITED STATES
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Yusuf Saleem Khan

Assistant Professor of Anatomy

university of ha’il

SAUDI ARABIA
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Davide Golinelli

Assistant Professor

University of Siena

ITALY
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Lucie Laflamme

Professor

Karolinska Institutet

SWEDEN
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Priyadarshini Bhattacharjee

Paul Corris Training Scholarship

Newcastle University

UNITED KINGDOM
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Amr Amin

Professor

-

UNITED ARAB EMIRATES
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Ulric Abonie

Assistant Professor

Northumbria University

UNITED KINGDOM
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Sandra Barteit

Research Group Leader

University Hospital Heidelberg

GERMANY
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AKM Azad

Associate Professor

-

SAUDI ARABIA
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Luís Belo

Assistant Professor with Habilitation

Faculty of Pharmacy, University of Lisbon

PORTUGAL
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Abu Sarwar Zamani

Asst. Professor

prince sattam bin abdulaziz university

SAUDI ARABIA
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Hosam Alzahrani

Associate Professor

taif university

SAUDI ARABIA
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Sezer Kisa

Oslo Metropolitan University

NORWAY
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Steffan Christensen

Aalborg University

DENMARK
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Sheikh Alif

Senior Lecturer of Public Health and Course Coordinator (Diploma of Health, Higher Ed)

MONASH UNIVERSITY

AUSTRALIA
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Emeka W. Dumbili

Assist Prof (Ad Astra Fellow)

Dublin City University

IRELAND
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Shankar Bakkannavar

Professor & Head

Kasturba Medical College, Manipal

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Mario Virgilio Papa

University of Padua

ITALY
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Chulwoo Park

Assistant Professor

University of Maryland Baltimore County

UNITED STATES
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Graeme Hankey

Perron Institute for Neurological and Translational Science

AUSTRALIA
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Quynh Xuan Nguyen Truong

Assistant Professor of Global Health and Social Medicine

VinUniversity

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Yasir Waheed

Professor

University of Economics and Human Sciences in Warsaw

POLAND
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Daniel Weiss

Associate Professor

Curtin University

AUSTRALIA
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Mai Thi Ngoc Tran

Griffith University

AUSTRALIA
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David B Anderson

University of Sydney

AUSTRALIA
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Ashanul Haque

Associate Professor

-

SAUDI ARABIA
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Dauda Salihu

-

SAUDI ARABIA
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MOHAMMAD AHMMAD MAHMOUD AL ZOUBI

Graduate Teaching Assistant

The University of Texas Health Science Center at Houston

UNITED STATES
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Payam Tabaee Damavandi

University of Milano-Bicocca

ITALY
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Angelo Capodici

-

ITALY
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Andrew Awuah Wireko

-

UKRAINE
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Rahman Shiri

Finnish Institute of Occupational Health

FINLAND
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Jennifer Dunne

Curtin University

AUSTRALIA
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Muhammad Shahzad Aslam

Assistant Professor

Xiamen University Malaysia

MALAYSIA
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Orla Deegan

Assistant Professor

Dublin City University

IRELAND
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Tamás Lantos

Assistant Professor

University of Szeged

HUNGARY
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Mubarak Taiwo Mustapha

-

CYPRUS
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Richard Burns

The Australian National University

AUSTRALIA
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Xiaoqi Feng

Professor of Urban Health and Environment

University of New South Wales

AUSTRALIA
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Senbagam Duraisamy

Asst. Professor

SRM Institute of Science and Technology

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Arão Oliveira

Pesquisador

University of Sao Paulo

BRAZIL
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Jazlan Jamaluddin

University of Malaya

MALAYSIA
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John Ji

Associate Professor

Tsinghua University

CHINA
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MICHAEL BELINGHERI

Assistant professor

University of Milano-Bicocca

ITALY
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Desireé LaGrappe

Lecturer

La Trobe University

AUSTRALIA
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Garland Culbreth

Institute for Health Metrics and Evaluation

UNITED STATES
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Stefania Mondello

Full Professor

Università degli Studi di Palermo

ITALY
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Ellina Lytvyak

Assistant Professor

University of Alberta

CANADA
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Joht Chandan

Professor of Public Health

University of Oxford

UNITED KINGDOM
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Carl Baravelli

Norwegian Institute of Public Health

NORWAY
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Lisa C Adams

Stanford University

UNITED STATES
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Mayson H. Alkhatib

Professor

-

OMAN
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Sameh S. M. Soliman

Prof

university of sharjah

UNITED ARAB EMIRATES
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Qazi Mohammad Sajid Jamal

Professor

-

SAUDI ARABIA
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Jack Cagney

Emory University

UNITED STATES
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Muhammad Chutiyami

Macquarie University

AUSTRALIA
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ABEL JOSEPH

Chief Fellow

Stanford University

UNITED STATES
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Amrita Parida

Associate Professor

Manipal University

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Om Prakash Kurmi

Professor in Climate Change and Health

University of Lincoln

UNITED KINGDOM
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Zhongyang Guan

Curtin University

AUSTRALIA
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Thomas Astell-Burt

University of Sydney

AUSTRALIA
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Mohamed Hassan Elnaem

Lecturer in Clinical Pharmacy

University of Ulster

UNITED KINGDOM
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Archana Koul

Faculty

Amity University Noida

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Jeffrey Pradeep Raj

Associate Professor

Kasturba Medical College, Manipal

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Utsav Parekh

All India Institute of Medical Sciences

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Nadim Sharif

GRA/GTA

University of Vermont

UNITED STATES
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Oleksandr Kamyshnyi

full professor

-

UKRAINE
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Sangeeta Saxena

Assistant Professor

Coastal Carolina University

UNITED STATES
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Leo Stockfelt

MD, PhD, Consultant, Associate Professor

University of Gothenburg

SWEDEN
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Saba Tariq

University of Birmingham

UNITED KINGDOM
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Muhammad Umair Khan

Aston University

UNITED KINGDOM
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Mohammad Amin Bayat Tork

University of Chicago

UNITED STATES
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Konstantinos Giannakis

Assistant Professor

Ionian University

GREECE
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Dr Tenaw Yimer Tiruye

University of South Australia

AUSTRALIA
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Erand Llanaj

Scientist

Bielefeld University

GERMANY
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Himanshu Khajuria

Assistant Professor

Amity University Noida

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Shuby Puthussery

Director

University of Bedfordshire

UNITED KINGDOM
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Miguel Garcia-Argibay

University of Southampton

UNITED KINGDOM
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Obasanjo Bolarinwa

York St John University

UNITED KINGDOM
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Vivek Gupta

Macquarie University

AUSTRALIA
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Khurshid Alam

Academic Chair

Murdoch University

AUSTRALIA
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Vikram Niranjan

Assistant Professor of Public Health

University of Limerick

IRELAND
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Prince Peprah

Macquarie University

AUSTRALIA
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Ion Popa

Professor, PhD

Bucharest University of Economic Studies

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Kamoru Adedokun

Research/Teaching Assistant

Roswell Park Comprehensive Cancer Center

UNITED STATES
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Iftitakhur Rohmah

Lecturer

Chulalongkorn University

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Christopher R. Cederroth

Karolinska Institutet

SWEDEN
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Maja R Radojčić

University of Oxford

UNITED KINGDOM
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Basema Saddik

Professor and Acting Chair of Public Health and Epidemiology; Adjunct Professor

Khalifa University

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BILLINGSLEY KAAMBWA

Flinders University

AUSTRALIA
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Luai Ahmed

Professor

United Arab Emirates University

UNITED ARAB EMIRATES
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Nader Al-Dewik

Kingston University

UNITED KINGDOM
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Muhammad Umair

-

SAUDI ARABIA
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Kathryn Jacobsen

Professor

University of Richmond

UNITED STATES
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Mohammed Khaled Al-Hanawi

Professor of Health Economics and Financing

king abdulaziz university

SAUDI ARABIA
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