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    Glossary Circadian Rhythms

    natural, internal processes regulating sleep-wake cycles every 24 hours

    Circadian rhythms are natural, internal processes that regulate the sleep-wake cycle and repeat roughly every 24 hours. These rhythms are driven by the body's "biological clock," which is influenced by external cues like light and temperature, and they play a crucial role in determining sleep patterns, feeding behavior, hormone release, and other bodily functions.

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    Research 30 of 698

    1. Nocturnal eczema: Review of sleep and circadian rhythms in children with atopic dermatitis and future research directions 2015 · 115 citations
    2. Mechanism of Sleep Disturbance in Children with Atopic Dermatitis and the Role of the Circadian Rhythm and Melatonin International Journal of Molecular Sciences · 2016 · 63 citations
    3. Circadian rhythms on skin function of hairless rats: light and thermic influences Experimental Dermatology · 2014 · 8 citations
    4. Cosmeceutical Therapy: Engaging the Repercussions of UVR Photoaging on the Skin’s Circadian Rhythm International journal of molecular sciences · 2022 · 6 citations
    5. Circadian rhythm sleep-wake disorders (CRSWDs): Linking circadian misalignment to adverse health outcomes. EBioMedicine · 2020 · 5 citations
    6. Association between sleep patterns, circadian rhythms, and hair loss in young adults Chronobiology International · 2025
    7. The Opioid Receptor Influences Circadian Rhythms in Human Keratinocytes through the β-Arrestin Pathway Cells · 2024
    8. Melatonin-Mediated Circadian Rhythm Signaling Exhibits Bidirectional Regulatory Effects on the State of Hair Follicle Stem Cells Biomolecules · 2025
    9. Recent advances in the molecular mechanisms determining tissue sensitivity to glucocorticoids: novel mutations, circadian rhythm and ligand-induced repression of the human glucocorticoid receptor BMC Endocrine Disorders · 2014 · 62 citations
    10. Human long-term deregulated circadian rhythm alters regenerative properties of skin and hair precursor cells 2018 · 9 citations
    11. Rhythmic expression of circadian clock genes in human leukocytes and beard hair follicle cells Biochemical and biophysical research communications · 2012 · 38 citations
    12. Beyond Circadian Rhythm: Melatonin as a Bio-Regulatory Molecule in Skin and Hair Aesthetics International Journal of Science and Research (IJSR) · 2026
    13. Attention to Innate Circadian Rhythm and the Impact of Its Disruption on Diabetes Diabetes & metabolism journal · 2024
    14. Liver Cirrhosis and Circadian Rhythm Annals of Internal Medicine · 1996
    15. Low temperature abolishes human cellular circadian rhythm through Hopf bifurcation npj Systems Biology and Applications · 2025
    16. Influence of tamsulosin and finasteride on circadian rhythm and cardiac function in male elderly patients with chronic heart failure Shiyong laonian yixue · 2014
    17. Brain and muscle Arnt-like protein-1 (BMAL1) controls circadian cell proliferation and susceptibility to UVB-induced DNA damage in the epidermis Proceedings of the National Academy of Sciences of the United States of America · 2012 · 221 citations
    18. Disturbance of the Circadian System in Shift Work and Its Health Impact Journal of biological rhythms · 2021 · 103 citations
    19. Circadian clock-mediated control of stem cell division and differentiation: beyond night and day Development · 2014 · 91 citations
    20. Circadian clocks: from stem cells to tissue homeostasis and regeneration EMBO Reports · 2017 · 84 citations
    21. Peripheral Skin Temperature and Circadian Biological Clock in Shift Nurses after a Day off International journal of molecular sciences · 2016 · 49 citations
    22. When the Circadian Clock Meets the Melanin Pigmentary System Journal of Investigative Dermatology · 2015 · 18 citations
    23. Investigation of a non-invasive method of assessing the equine circadian clock using hair follicle cells Journal of circadian rhythms · 2012 · 15 citations
    24. Estimation methods for human circadian phase by use of peripheral tissues Hypertension research · 2016 · 14 citations
    25. A simple method using ex vivo culture of hair follicle tissue to investigate intrinsic circadian characteristics in humans Scientific reports · 2017 · 12 citations
    26. Hair Follicles as a Critical Model for Monitoring the Circadian Clock International Journal of Molecular Sciences · 2023 · 5 citations
    27. The Circadian Clock in Skin Journal of Biological Rhythms · 2015 · 127 citations
    28. An out-of-lab trial: a case example for the effect of intensive exercise on rhythms of human clock gene expression Journal of circadian rhythms · 2013 · 21 citations
    29. Timing of expression of the core clock gene <i>Bmal1</i> influences its effects on aging and survival Science Translational Medicine · 2016 · 237 citations
    30. MELATONIN Clinical endocrinology · 1988 · 220 citations