Chronobiology in Medicine

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Original Article

September 29, 2022

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.

Objective: Circadian rhythms are present almost in all living organisms and synchronized with the zeitgebers (time givers), especially lightdark (LD) cycles. The jetlag and rotating shift work schedules lead to...

Original Article

September 29, 2022

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

Joo Hyung Ryu, Ji Won Yeom, Jae Eun Seo, et al.

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

Objective: Seasonal variations in mood and behavior and diurnal preference are associated with several genes that regulate circadian rhythms. In this study, we investigated the association of the NPAS2 rs6725296...

Original Article

September 29, 2022

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

Sung Hoon Yoo, Wan II Cho, Youngshin Han, et al.

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

Objective: Since sleep duration has been suggested to play an important role in the development of obesity in children, the risk factors for insufficient sleep have received increasing attention. The...

Original Article

September 29, 2022

Clinical Characteristics of HIV-Infected Patients With Sleep Disturbance

Suonaa Lee, Kyung Mee Park, Woo Jung Kim, et al.

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

Objective: This study aims to examine clinical characteristics and to identify possible risk factors of sleep disturbances in people living with HIV (PLWH). Methods: All research data of patients who were...

Original Article

September 29, 2022

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, et al.

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

Objective: We evaluated the effects of microclimate temperature on the subjective and objective sleep quality of healthy young adults. For this purpose, we maintained a constant ambient temperature and manipulated...

Original Article

September 29, 2022

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

Nuree Kang, Cheol-Soon Lee, Boseok Cha, et al.

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

Objective: Internet addiction and smartphone addiction are emerging mental health concerns in adolescents. To determine the factors related to these conditions, we investigated their associations with sleep quality, chronotype, sleep...

Current Issue: Volume 4(3); Sep 2022

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