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Retricted access

Research article

First published 2025-6

Enhanced Circadian Phase Tracking: A 5-h DLMO Sampling Protocol Using Wearable Data

Dongju Lim, Su Jung Choi, Yun Min Song [...]

Journal of Biological Rhythms

Open access

Research article

First published 2026-6

dlmoR : An Open-Source R Package for the Dim-Light Melatonin Onset (DLMO) Hockey-Stick Method

Salma M. Thalji, Manuel Spitschan

Journal of Biological Rhythms

Free access

Research article

First published 2018-2

Phase Relationship between DLMO and Sleep Onset and the Risk of Metabolic Disease among Normal Weight and Overweight/Obese Adults

Kelly Glazer Baron, Kathryn J. Reid, Lisa F. Wolfe [...]

Journal of Biological Rhythms

Free access

Research article

First published 2013-10

Circadian Phase and Its Relationship to Nighttime Sleep in Toddlers

Monique K. LeBourgeois, Mary A. Carskadon, Lameese D. Akacem [...]

Journal of Biological Rhythms

Open access

Abstract

First published 2016-8

Effect of Blood Flow of the Metatarsal Head with Hallux Valgas after Minimally Invasive Distal Linear Metatarsal Osteotomy

So Minokawa, Ichiro Yoshimura, Masatoshi Naito [...]

Foot & Ankle Orthopaedics

Free access

Research article

First published 2020-2

The µMCTQ: An Ultra-Short Version of the Munich ChronoType Questionnaire

Neda Ghotbi, Luísa K. Pilz, Eva C. Winnebeck [...]

Journal of Biological Rhythms

Open access

Research article

First published 2017-6

Daily Light Exposure Patterns Reveal Phase and Period of the Human Circadian Clock

Tom Woelders, Domien G. M. Beersma, Marijke C. M. Gordijn [...]

Journal of Biological Rhythms

Free access

Research article

First published 1999-06

The Endogenous Melatonin Profile as a Marker for Circadian Phase Position

Alfred J. Lewy, Neil L. Cutler, Robert L. Sack

Journal of Biological Rhythms

Free access

Letter

First published 2015-10

Comparing the Morningness-Eveningness Questionnaire and Munich ChronoType Questionnaire to the Dim Light Melatonin Onset

Thomas Kantermann, Haein Sung, Helen J. Burgess

Journal of Biological Rhythms

Retricted access

Letter

First published 2026-2

The Relationship Between Circadian Phase and Sleep Timing in Preschool-Aged Children

Lauren E. Hartstein, Lameese D. Akacem, Kenneth P. Wright [...]

Journal of Biological Rhythms

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