Sage Journals: Discover world-class research

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Research article

First published 2020-6

Sleep duration,sleep variability,and impairments of visual attention

Nicola L Barclay, Susan Rowley, Anna Robson [...]

Quarterly Journal of Experimental Psychology

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Research article

First published 2017-5

Comparison between heart rate variability and pulse rate variability during different sleep stages for sleep apnea patients

Shuangyan Liu, Jing Teng, Xianghua Qi [...]

Technology and Health Care

Free access

Research article

First published 2013-5

Sleep Apnea,Sleep Disturbance,and Fasting Glucose Variability: A Pilot Study

Patrizio Tatti, Felice Strollo, Desiderio Passali

Journal of Diabetes Science and Technology

Open access

Research article

First published 2021-4

Intraindividual Variability and Temporal Stability of Mid-Sleep on Free and Workdays

Anita Lenneis, Ahuti Das-Friebel, Henrik Singmann [...]

Journal of Biological Rhythms

Open access

Research article

First published 2018-10

Self-report sleep quality combined with sleep time variability distinguishes differences in fatigue,anxiety,and depression in individuals with multiple sclerosis: A secondary analysis

Catherine F Siengsukon, Mohammed Alshehri, Mayis Aldughmi

Multiple Sclerosis Journal – Experimental,Translational and Clinical

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Research article

First published 2026-2

Sleep Variability and Negative Alcohol-Related Consequences in College Students: Dynamic Associations With ADHD

Nicholas P. Marsh, Lauren E. Oddo, Kelsey K. Wiggs [...]

Journal of Attention Disorders

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Research article

First published 2025-4

Exploratory analyses of sleep intraindividual variability and fatigue in parents of children on the autism spectrum

Braden Hayse, Melanie A. Stearns, Micah O Mazurek [...]

Autism

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Research article

First published 2015-11

A longitudinal assessment of sleep variables during exacerbations of chronic obstructive pulmonary disease

R Vanaparthy, P Mota, R Khan [...]

Chronic Respiratory Disease

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Research article

First published 2013-7

Sleep Stage Assessment Using Power Spectral Indices of Heart Rate Variability With a Simple Algorithm

Keiko Tanida, Masashi Shibata, Margaret M. Heitkemper

Biological Research For Nursing

Free access

Research article

First published 2002-12

Sleep Processes Exert a Predominant Influence on the 24-h Profile of Heart Rate Variability

Antoine U. Viola, Chantal Simon, Jean Ehrhart [...]

Journal of Biological Rhythms

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