User profiles for Hans Ivers

Hans Ivers

Statistician, Universite Laval
Verified email at psy.ulaval.ca
Cited by 15141

The Insomnia Severity Index: psychometric indicators to detect insomnia cases and evaluate treatment response

CM Morin, G Belleville, L Bélanger, H Ivers - Sleep, 2011 - academic.oup.com
Background: Although insomnia is a prevalent complaint with significant morbidity, it often
remains unrecognized and untreated. Brief and valid instruments are needed both for …

Insomnia, anxiety, and depression during the COVID-19 pandemic: an international collaborative study

…, F Chung, B Holzinger, M Partinen, T Penzel, H Ivers… - Sleep medicine, 2021 - Elsevier
Importance and study objective The COVID-19 pandemic has produced unprecedented
changes in social, work, and leisure activities, which all have had major impact on sleep and …

Role of stress, arousal, and coping skills in primary insomnia

CM Morin, S Rodrigue, H Ivers - Psychosomatic medicine, 2003 - journals.lww.com
Objective Although stress is often presumed to cause sleep disturbances, little research has
documented the role of stressful life events in primary insomnia. The present study …

Cognitive behavioral therapy, singly and combined with medication, for persistent insomnia: a randomized controlled trial

CM Morin, A Vallières, B Guay, H Ivers, J Savard… - Jama, 2009 - jamanetwork.com
Context Cognitive behavioral therapy (CBT) and hypnotic medications are efficacious for
short-term treatment of insomnia, but few patients achieve complete remission with any single …

Dysfunctional beliefs and attitudes about sleep (DBAS): validation of a brief version (DBAS-16)

CM Morin, A Vallières, H Ivers - Sleep, 2007 - academic.oup.com
Study Objective: Sleep related cognitions (eg, faulty beliefs and appraisals, unrealistic
expectations, perceptual and attention bias) play an important role in perpetuating insomnia. This …

Insomnia and daytime cognitive performance: a meta-analysis

É Fortier-Brochu, S Beaulieu-Bonneau, H Ivers… - Sleep medicine …, 2012 - Elsevier
OBJECTIVES: Individuals with insomnia consistently report difficulties pertaining to their
cognitive functioning (eg, memory, concentration). However, objective measurements of their …

Prevalence, clinical characteristics, and risk factors for insomnia in the context of breast cancer

J Savard, S Simard, J Blanchet, H Ivers, CM Morin - Sleep, 2001 - academic.oup.com
Study Objectives: To estimate the prevalence of insomnia, describe clinical characteristics
of sleep difficulties, assess the influence of cancer on the insomnia course, and identify …

The natural history of insomnia: a population-based 3-year longitudinal study

CM Morin, L Bélanger, M LeBlanc, H Ivers… - Archives of internal …, 2009 - jamanetwork.com
Background Despite its high prevalence, little information is available about the natural
history of insomnia. The extent to which episodes of insomnia will persist or remit over time is …

Incidence and risk factors of insomnia in a population-based sample

M LeBlanc, C Mérette, J Savard, H Ivers, L Baillargeon… - Sleep, 2009 - academic.oup.com
Introduction: Despite the high prevalence of insomnia, there is little information about its
incidence and risk factors. This study estimated the incidence of insomnia and examined …

Randomized study on the efficacy of cognitive-behavioral therapy for insomnia secondary to breast cancer, part I: Sleep and psychological effects

J Savard, S Simard, H Ivers, CM Morin - Journal of Clinical Oncology, 2005 - ascopubs.org
Purpose Chronic insomnia is highly prevalent in cancer patients. Cognitive-behavioral therapy
(CBT) is considered the treatment of choice for chronic primary insomnia. However, no …