Original Articles Relationship Between Anxiety and Heart Rate Variability in Elderly Insomnia Patients

Jin Won Seo, Minjeong Kim, Hyerin Gu, Hyeyeon Jang, Seog Ju Kim

Chronobiol Med. 2022;4(4):168-172.

Comparison of Sleep Onset Time According to Grade, Outdoor Time, and Screen-Based Media Device Use Time in Children and Adolescents in One District of Daegu, Korea

Han Gil Lee, Young Gyo Kim, Hee Jin Kim, Wan Seok Seo

Chronobiol Med. 2022;4(4):162-167.

Sleep Disturbances and Depression Associated With Cognitive Function As Well As Activities of Daily Living in Older Adults With Very Mild to Mild Dementia

Jieun Han, Doh Kwan Kim

Chronobiol Med. 2022;4(4):157-161.

Association Between Benzodiazepines and Dementia in South Korea: A Nation-Wide Study

Tai hui Sun, Ji Won Yeom, Chul-Hyun Cho, Heon-Jeong Lee

Chronobiol Med. 2022;4(4):152-156.

Poor Sleep Quality, Eveningness, and Anxiety Are Associated With Internet/Smartphone Addiction in Korean Adolescents

Nuree Kang, Cheol-Soon Lee, Boseok Cha, So-Jin Lee, Dongyun Lee, Jiyeong Seo, Jae-Won Choi, Young-Ji Lee, Eunji Lim, Bong-Jo Kim

Chronobiol Med. 2022;4(3):128-134.

A Preliminary Study of the Effect of Mattress Temperature on the Subjective and Objective Sleep Quality of Healthy Young Adults

Ha Young Lee, Min Cheol Seo, Jeong Eun Jeon, Jiyoon Shin, Yu Jin Lee

Chronobiol Med. 2022;4(3):121-127.

Clinical Characteristics of HIV-Infected Patients With Sleep Disturbance

Suonaa Lee, Kyung Mee Park, Woo Jung Kim, Eun Lee

Chronobiol Med. 2022;4(3):115-120.

Sleep Duration and Body Mass Index in 5–9 Aged Korean Children

Sung Hoon Yoo, Wan II Cho, Youngshin Han, Byoung Gook Loh, Won Hee Seo

Chronobiol Med. 2022;4(3):110-114.

No Association Between NPAS2 rs6425296 Polymorphism and Seasonality, Diurnal Preference in Koreans

Joo Hyung Ryu, Ji Won Yeom, Jae Eun Seo, Chul-Hyun Cho, Heon-Jeong Lee

Chronobiol Med. 2022;4(3):105-109.

Withanolide-A Accelerates Re-entrainment of Circadian Locomotor Activity Rhythm and Preserves Spatial Memory in Mice Following Acute Phase Inversion of Light-Dark Cycles

Trisha Tiwari, Priyoneel Basu, Muniyandi Singaravel

Chronobiol Med. 2022;4(3):99-104.

Eveningness and Impulsivity in Euthymic Mood States Adversely Affect the Quality of Life of Major Depression and Bipolar Disorder Patients

Sojeong Kim, Yeaseul Yoon, Heon-Jeong Lee

Chronobiol Med. 2022;4(2):86-90.

Depression, Anxiety, and Insomnia Among Older COVID-19 Survivors: A Cross-Sectional Study

Nalakath A. Uvais, Shamsudeen Moideen

Chronobiol Med. 2022;4(2):81-85.

Seasonal Factors of Adaptation of Water-Mineral Chronoperiodical System in Healthy Individuals and Patients With Syndrome of Vegetative Dystonia

Hamlet G. Hayrapetyan, Lyusya A. Babayan, Haykaz E. Danoyan, Hrachya A. Vardanyan, Zarmandukht S. Petrosyan, Jon K. Karapetyan, Ara K. Gulyan, Pargev K. Sarafyan, Ani R. Tavaracyan, Arman B. Danoyan

Chronobiol Med. 2022;4(2):75-80.

Factor Associated With Sleep Disturbance and Its Consequence in Jet-Lagged Employee

Hyeyeon Jang, Seog Ju Kim

Chronobiol Med. 2022;4(2):69-74.

Association of Individuals’ Chronotypes With Obesity and Body Composition in Tehrani Adults in 2020

Hakimeh Sadeghzadeh, Mazyar Haghgoo, Samira Rabiei

Chronobiol Med. 2022;4(1):35-41.

Role of Depression and Anxiety As Mediators Between Insomnia Symptoms and Suicide Ideation in Patients With Adjustment Disorder

Kangyoon Jung, Eun Jung Cha, Kyoung Hwan Lee, Seolmin Kim, Doo-Heum Park, Jee Hyun Ha, Hong Jun Jeon, Seung-Ho Ryu

Chronobiol Med. 2022;4(1):29-34.

Association Between Frontal Alpha Asymmetry With Cognitive Symptoms, Depression Severity, and Insomnia

Dae Yun Hwang, Yang Rae Kim, Young-Min Park

Chronobiol Med. 2021;3(4):157-162.

Prescription Dose Analysis of Quetiapine in the Elderly and Insomnia

Ki Yong Lee, Seung-Ho Ryu, Jee Hyun Ha, Hong Jun Jeon, Doo-Heum Park

Chronobiol Med. 2021;3(4):149-156.

Identifying Obstructive Sleep Apnea Subtypes and Its Correlation With Mood States

Hyo Jin Kim, Jae-Won Choi, Eun-Jeong Joo, Kyu Young Lee, Soo-Young Bhang, Eui-Joong Kim

Chronobiol Med. 2021;3(3):120-125.

The Development and Application of a Resilience-Promoting Program Using Changes in Sleep-Related Habits in Korean Adolescents

Hyoseung Kang, So-Jin Lee, Bong-Jo Kim, Cheol-Soon Lee, Boseok Cha, Dongyun Lee, Jiyeong Seo, Jae-Won Choi, Young-Ji Lee, Yoon Jung Lee, Eun-Ji Lim

Chronobiol Med. 2021;3(3):112-119.

No Association Between the 5-HTTLPR Polymorphism and Diurnal Preference in Koreans

Sae Han Kim, Ji Won Yeom, Seunghwa Jeong, Ju Yeon Seo, Sehyun Jeon, Heon-Jeong Lee

Chronobiol Med. 2021;3(3):107-111.

Insomnia in COVID-19 Survivors: A Cross Sectional Study Among Healthcare Workers

Nalakath A. Uvais, Shamsudeen Moideen, Bishurul Hafi, Sooraj Rajagopal, V. Maheshwari, Tasneem Abdul Gafoor

Chronobiol Med. 2021;3(3):102-106.

Relationships among the Hexosamine Biosynthetic Pathway, Sleep Disturbance, and Cognition in Obstructive Sleep Apnea

Ha Young Lee, Seong Min Oh, Mi Hyun Lee, Jeong Eun Jeon, Kyung Hwa Lee, Sunhee Jung, Inn-Oc Han, Geum-Sook Hwang, Yu Jin Lee

Chronobiol Med. 2021;3(2):75-83.

Relationship between Poor Sleep Quality and High White Blood Cell Count in Korean Adults

Jae-Min Park, Ji-Won Lee

Chronobiol Med. 2021;3(2):70-74.

KL-6 in Obstructive Sleep Apnea: A Potential Biomarker of Subclinical Lung Injury

Sei Won Kim, Hwan Hee Kim, Heayon Lee, In Kyoung Kim, Sang Haak Lee, Hyeon Hui Kang

Chronobiol Med. 2021;3(2):64-69.

Correlative Connections between Chronostructures of Water-Mineral Homeostasis and Weather Indices in Cardiovascular Pathology

Lyusya A. Babayan, Hamlet G. Hayrapetyan, Ara K. Gulyan, Pargev K. Sarafyan, Hrachya A. Vardanyan, Hayk E. Danoyan, Zarmandukht S. Petrosyan, Anahit E. Meliksetyan, Tsoghik G. Harutyunyan, Eduard H. Danoyan, Lianna M. Poghosyan

Chronobiol Med. 2021;3(1):35-39.

Insomnia among Active Patients with COVID-19: A Cross-Sectional Study

N.A. Uvais, Shamsudeen Moideen, Bishurul Hafi, Sooraj Rajagopal, Maheshwari V, Tasneem Abdul Gafoor

Chronobiol Med. 2021;3(1):31-34.

Associations of Self-Consciousness with Insomnia Symptoms

Min Su Kim, Eun Lee, Hye Yoon Park, Eunchong Seo, Suk Kyoon An, Kyung Mee Park

Chronobiol Med. 2021;3(1):25-30.

The Association between Eveningness and Alexithymia: Mediating Effect of Depression

Jihye Ahn, Jooyoung Lee, Seog Ju Kim

Chronobiol Med. 2021;3(1):20-24.

Impact of Social Jetlag and Circadian Patterns on Patients with Metabolic and Nocturnal Eating Syndromes

Yasmin Atwa Mohamed Ali, Naglaa Elsayed Abbas, Amany Abdel Hamid Mousa, Azza Abdelbaky, Ahmed Salem Bahammam, Nevin Fayez Wanis Zaki

Chronobiol Med. 2020;2(4):175-183.

Association between Atherogenic Index of Plasma and the Risk of Obstructive Sleep Apnea in Korean Adults Who Admitted to the Sleep Clinic

Sei Won Kim, Sang Haak Lee, Hyeon Hui Kang

Chronobiol Med. 2020;2(4):170-174.

Gender Differences in the Association between Circadian Preference and Attachment Style

Seahyun O, Jooyoung Lee, Seog Ju Kim

Chronobiol Med. 2020;2(4):166-169.

Impact of Exposure to Dim Artificial Light at Night during Sleep on Cognitive Function

Younjung Lee, Chul-Hyun Cho, Heon-Jeong Lee

Chronobiol Med. 2020;2(4):160-165.

Association between Depression, Daytime Sleepiness, and Thyroid Function in Patients with Thyroid Hormone Replacement Therapy

Jin Woo Oh, So-Jin Lee, Bong-Jo Kim, Cheol-Soon Lee, Boseok Cha, Dongyun Lee, Ji-Yeong Seo, Young-Ji Lee, Jae-Hon Lee, Youn Jung Lee, Myung-Hee Kang, Soo Kyoung Kim, Jae-Won Choi

Chronobiol Med. 2020;2(3):129-133.

Automated Assessment of Quantitative REM Sleep without Atonia for Diagnosis of REM Sleep Behavior Disorder

Jeong Hun Yang, Sang Ho Choi, Mi Hyun Lee, Seong Min Oh, Jae-Won Choi, Jee Eun Park, Kwang Suk Park, Yu Jin Lee

Chronobiol Med. 2020;2(3):123-128.

Mild Obstructive Sleep Apnea Tends to Be Associated with Sleep State Misperception

Joon-Ho Lee, Sehyun Jeon, Heon-Jeong Lee

Chronobiol Med. 2020;2(3):115-122.

Circadian Rhythm of Heart Rate Assessed by Wearable Devices Tends to Correlate with the Circadian Rhythm of Salivary Cortisol Concentration in Healthy Young Adults

Seunghwa Jeong, Ju Yeon Seo, Sehyun Jeon, Chul-Hyun Cho, Ji Won Yeom, Jaegwon Jeong, Jung-Been Lee, Taek Lee, Heon-Jeong Lee

Chronobiol Med. 2020;2(3):109-114.

Sleep Quality as a Predictor of Post-Clerkship Anxiety in Korean Medical Students: A Preliminary Report

Hyoseung Kang, So-Jin Lee, Bong-Jo Kim, Cheol-Soon Lee, Boseok Cha, Dongyun Lee, Jiyeong Seo, Jae-Won Choi, Jae-Hon Lee, Young-Ji Lee, Yoon Jung Lee

Chronobiol Med. 2020;2(2):78-81.

Preliminary Study on the Effect of Sleepwear on Objective and Subjective Sleep Quality

Ha Young Lee, Mi hyun Lee, Jeong Eun Jeon, Kyung Hwa Lee, Yu Jin Lee

Chronobiol Med. 2020;2(2):72-77.

Seasonal Variation of Relationship between Climate and Suicide Attempts

Seung Beom Yang, Jin Shin, Doo-Heum Park, Hong Jun Jeon

Chronobiol Med. 2020;2(2):67-71.

Sleep Quality of Mothers of Premature Infants after Neonatal Intensive Care Unit Discharge

Dae Seong Kim, Eui Kyung Choi, Jeong Hee Shin, Kyu Hee Park, Jaehyung Cha, Jang Hoon Lee, Won Hee Seo, Byung Min Choi

Chronobiol Med. 2020;2(2):61-66.

The Mediating Effect of Eveningness on the Indirect Relationships between Shorter Sleep Duration, Inattention, Depression with Smartphone Addiction Tendency

Yoonseok Kim, So-Jin Lee, Chul-Soo Park, Bong-Jo Kim, Cheol-Soon Lee, Boseok Cha, Dongyun Lee, Jae-Won Choi, Young-Ji Lee, Jiyeong Seo

Chronobiol Med. 2020;2(1):32-40.

Correlates of Performances on Computerized Attention Tasks in Patients with Insomnia Disorder

Soohyun Kim, Juhyun Park, Seong min Oh, Mi hyun Lee, Jeong Eun Jeon, Ha Young Lee, Yu Jin Lee

Chronobiol Med. 2020;2(1):25-31.

Anger Associated with Insomnia and Recent Stressful Life Events in Community-Dwelling Adults

Jichul Kim, Chang Woo Lee, Sehyun Jeon, Bum Joon Seok, Seog Ju Kim

Chronobiol Med. 2019;1(4):163-167.

Pulmonary Function and Effects of Body Position in Patients with Obstructive Sleep Apnea

Sei Won Kim, Hyeon Hui Kang, Woo Ho Ban, Sang Haak Lee

Chronobiol Med. 2019;1(4):157-162.

Comparison of Morning and Evening/Night Dosing on the Efficacy of Escitalopram in Major Depressive Disorder at Naturalistic Setting

Kyu-Man Han, Ho-Kyoung Yoon

Chronobiol Med. 2019;1(4):152-156.

Total Oxidant and Antioxidant Status in Patients with Obstructive Sleep Apnea and the Effect of Continuous Positive Airway Pressure

Hyeon Hui Kang, In Kyoung Kim, Sang Haak Lee

Chronobiol Med. 2019;1(3):126-129.

Depression and Anxiety Associated with Insomnia and Recent Stressful Life Events

Chang Woo Lee, Sehyun Jeon, Jichul Kim, Bum Joon Seok, Seog Ju Kim

Chronobiol Med. 2019;1(3):121-125.

Circadian Gene Variations Are Associated with Obsessive-Compulsive Behaviors in a Young Healthy Korean Population

Jaegwon Jeong, Yujin Lee, Chul-Hyun Cho, Heon-Jeong Lee

Chronobiol Med. 2019;1(3):115-120.

The Associations between Anger Expression and Insomnia among Community-Dwelling Older Adults in Korea

See Woo Kim, Kyung Mee Park, Woo Jung Kim, Eun Chae Choi, Suk Kyoon An, Kee Namkoong, Yoosik Youm, Hyeon Chang Kim, Eun Lee

Chronobiol Med. 2019;1(2):86-93.