Top Themes

ALAN Conference Series

ALAN 6 will take place from 16-18.06.2020 in Lleida, Spain.

Night Sky Data to the People!

A new website presents citizen science data

Touring Exhibition

Our touring exhibition with 15 posters can be borrowed for events!

'Loss of the Night' App

The 'Loss of the Night' app measures sky brightness! Take part in a world-wide citizen science project that measures star visibility and light pollution. The app is free!

City Night Time Lapse

This growing collection of time lapse videos of nights in urban centres provides insights how city lights change throughout the course of the night

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Human / Human Chronobiology


Roenneberg T (2010): Wie wir ticken. Die Bedeutung der inneren Uhr für unser Leben. Köln: Dumont, 240 S.

Zulley, Jürgen und Knab, Barbara (2009): Unsere Innere Uhr. Natürliche Rhythmen nutzen und derNon-Stop-Belastung entgehen.Frankfurt/Main


Cajochen C, Altanay-Ekici S, Münch M, Frey S, Knoblauch V, Wirz-Justice A (2013) Evidence that the lunar cycle influences human sleep. Current Biology 23: 1485-1488

Chang AM, Scheer FA, Czeisler CA, Aeschbach D (2013) Direct effects of light on alertness, vigilance, and the waking electroencephalogram in humans depend on prior light history. Sleep, 36: 1239-1246

Cho JR, Joe EY, Koo DL, Hong SB (2013) Let there be no light: the effect of bedside light on sleep quality and background electroencephalographic rhythms. Sleep Medicine 14 (12):1422-1425.

Czeisler CA (2013) Perspective: Casting light on sleep deficiency. Nature 497: S13

Eisenstein M (2013) Chronobiology: Stepping out of time. Nature 497: S10-S12

Owens B (2013) Obesity: Heavy sleepers. Nature 497: S8-S9

Anisimov VN, Vinogradova IA, Panchenko AV, Popovich IG, Zabezhinski MA (2013) Light-at-Night-Induced Circadian Disruption, Cancer, and Aging. Curr Aging Sci. Vol 1, No 10 , pp 855-865

Arendt J (2012): Biological Rhythms During Residence in Polar Regions. Chronobiology International 29: 379-394

Bercz PA, Jaffe F (2012): Adverse health effects of shift work and shift work sleep disorder. Dialogue and Diagnosis 2: 13-20

Bhatti P, Mirick DK, Davis S (2012): Invited Commentary: Shift Work and Cancer. Am J Epidemiol

Blask D, Brainard G, Gibbons R, Lockley S, Stevens R, Motta M (2012): Light Pollution: Adverse Health Effects of Nighttime Lighting. Report 4 of the Council on Science and Public Health, American Medical Association

Boivin DB, Boudreau P, James FO, Ng Ying Kin NMK (2012): Photic Resetting in Night-Shift Work: Impact on Nurses' Sleep. Chronobiology international 5: 619-628

Boivin DB, Boudreau P, Tremblay GM (2012): Phototherapy and Orange-Tinted Goggles for Night-Shift Adaptation of Police Officers on Patrol. Chronobiology International 29: 629-640

Bray M, Young M (2012): Chronobiological effects on obesity. Current Obesity Reports

Chamorro E, Bonnin-Arias C, Pérez-Carrasco MJ, de Luna JM, Vázquez D, Sánchez-Ramos C (2012): Effects Of Light Emitting Diodes Radiations On Human Retinal Pigment Epithelial Cells In Vitro. Photochemistry and Photobiology

Dickerman B, Liu J (2012): Does current scientific evidence support a link between light at night and breast cancer among female night-shift nurses?: review of evidence and implications for occupational and environmental health nurses. Workplace Health Saf, 60:273-90

Dumont M, Lanctôt V, Cadieux-Viau R, Paquet J (2012): Melatonin Production and Light Exposure of Rotating Night Workers. Chronobiology International, 29:203-210

Hansen J, Lassen CF (2012): Nested case-control study of night shift work and breast cancer risk among women in the Danish military. Occup Environ Med

Harrison EM, Gorman MR (2012): Changing the Waveform of Circadian Rhythms: Considerations for Shift-Work. Front Neurol 3:72

Haus EL, Smolensky MH (2012): Shift work and cancer risk: Potential mechanistic roles of circadian disruption, light at night, and sleep deprivation. Sleep Medicine Reviews

Karatsoreos I (2012): Effects of Circadian Disruption on Mental and Physical Health. Current Neurology and Neuroscience Reports 12:218-225

Knutsson A, Alfredsson L, Karlsson B, Åkerstedt T, Fransson EI, Westerholm P, Westerlund H. (2012): Breast cancer among shift workers: results of the WOLF longitudinal cohort study. Scand J Work Environ Health

Lahti T, Merikanto I, Partonen T (2012): Circadian clock disruptions and the risk of cancer. Annals of Medicine

Lowden A, Åkerstedt (2012): Assessment of a New Dynamic Light Regimen in a Nuclear Power Control Room Without Windows on Quickly Rotating Shiftworkers-Effects on Health, Wakefulness, and Circadian Alignment: A Pilot Study. Chronobiology International 29: 641-649

Obayashi K, Saeki K, Iwamoto J, Okamoto N, Tomioka K, Nezu S, Ikada Y, Kurumatani N (2012): Exposure to Light at Night, Nocturnal Urinary Melatonin Excretion, and Obesity/Dyslipidemia in the Elderly: A Cross-Sectional Analysis of the HEIJO-KYO Study. Journal of Clinical Endocrinology & Metabolism

Parent M-É, El-Zein M, Rousseau M-C, Pintos J, Siemiatycki J (2012): Night Work and the Risk of Cancer Among Men Am J Epidemiol

Peplonska B, Bukowska A, Sobala W, Reszka E, Gromadzinska J, Wasowicz W, Lie JA, Kjuus H, Ursin G (2012): Rotating night shift work and mammographic density. Cancer Epidemiology, Biomarkers & Prevention

Rüger M, St. Hilaire MA, Brainard G, Khalsa SBS, Kronauer RE, Czeisler CA, Lockley SW (2012): Human phase response curve to a single 6.5-h pulse of short-wavelength light. Journal of Physiology

Savvidis C (2012): Circadian rhythm disruption in cancer biology. Molecular Medicine

Shochat T (2012): Impact of lifestyle and technology developments on sleep. Nature and Science of Sleep 4:19-31

Sigurdardottir LG, Valdimarsdóttir UV, Fall K, Rider JR, Lockley SW, Eva SS, Mucci LA (2012): Circadian Disruption, Sleep Loss and Prostate Cancer Risk: A Systematic Review of Epidemiological Studies. Cancer Epidemiology, Biomarkers & Prevention

Smith MR, Eastman CI (2012): Shift work: health, performance and safety problems, traditional countermeasures, and innovative management strategies to reduce circadian misalignment. Nature and Science of Sleep 4:111-132

Vollmer C, Michel U, Randler C (2012): Outdoor Light at Night (LAN) Is Correlated With Eveningness in Adolescents. Chronobiology International

Vollmer C, Randler C, Milia LD (2012): Further Evidence for the Influence of Photoperiod at Birth on Chronotype in a Sample of German Adolescents. Chronobiology International

Wada K, Nagata C, Nakamura K, Iwasa S, Shiraki M, Shimizu H (2012): Light exposure at night, sleep duration and sex hormone levels in pregnant Japanese women. Endochrine Journal

Warthen DM, Provencio I (2012): The role of intrinsically photosensitive retinal ganglion cells in nonimage-forming responses to light. Eye and Brain 2012:4:43-48

Wood B, Rea MS, Plitnick B, Figueiro MG (2012): Light level and duration of exposure determine the impact of self-luminous tablets on melatonin suppression. Applied Ergonomics

Behar-Cohena F, Martinsons C, Viénot F, Zissis G, Barlier-Salsi A, Cesarini JP, Enouf O, Garcia M, Picaud S, Attia D (2011): Light-emitting diodes (LED) for domestic lighting: Any risks for the eye?. Progress in Retinal and Eye Research

Benke KE, Benke KK, Dimitriadis C (2011): Spectral content of artificial lighting and effects on health. Journal of the Australasian College of Nutritional and Environmental Medicine 30:13-15

Fonken LK, Nelson RJ (2011): Illuminating the deleterious effects of light at night. F1000 Med Rep. 2011; 3: 18

Gooley JJ, Chamberlian K, Smith KA, Khalsa SBS, Rajaratnam SMW, Reen EV, Zeitzer JM, Czeisler CA, Lockley SW (2011): Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans. The Journal of Clinical Endocrinology & Metabolism 96

Higuchi S, Fukuda T, Kozaki T, Takahashi M, Miura N (2011): Effectiveness of a red-visor cap for preventing light-induced melatonin suppression during simulated night work. J Physiol Anthropol 30: 251-258

Kavčič P, Rojc B, Dolenc-Grošelj L, Claustrat B, Fujs K, Poljak M (2011): The impact of sleep deprivation and nighttime light exposure on clock gene expression in humans. Croatian Medical Journal 52(5): 594-603

Kretschmer V, Griefahn B, Schmidt K-H (2011): Bright light and night work: effects on selective and divided attention in elderly persons. - Lighting Research and Technology 43(4): 473-486

Kretschmer V, Griefahn B, Schmidt K-H (2011): Light-Induced Adaptation to Night Work: Effects on Cognitive Performance in Elderly Persons. - Journal of Psychophysiology 25(1): 20 

Meng Y, He Z, Yin J, Zhang Y, Zhang T (2011): Quantitative calculation of human melatonin suppression induced by inappropriate light at night. Medical & Biological Engineering & Computing

Reiter RJ, Rosales-Corral S, Coto-Montes A, Antonio Boga J, Tan DX, Davis JM, Konturek PC, Konturek SJ, Brzozowski T (2011):  The photoperiod, circadian regulation and chronodisruption: the requisite interplay between the suprachiasmatic nuclei and the pineal and gut melatonin. Journal of Physiology and Pharmacology 62:269-274

Reiter R, Tan D, Korkmaz A, Ma S (2011): Obesity and metabolic syndrome: Association with chronodisruption, sleep deprivation, and melatonin suppression. Annals of Medicine

Reiter R, Tan D, Sanchez-Barcelo E, Mediavilla M, Gitto E, et al. (2011):  Circadian mechanisms in the regulation of melatonin synthesis: disruption with light at night and the pathophysiological consequences. J Exp Integr Med 1: 13-22

Salgado-Delgado R, Tapia Osorio A, Saderi N, Escobar C (2011): Disruption of Circadian Rhythms: A Crucial Factor in the Etiology of Depression. Depression Research and Treatment 2011 Article ID 839743

Spivey A (2011): The Mixed Blessing of Phosphor-Based White LEDs. Environmental Health Perspectives 119:a472-a473

Wyse CA, Selman C, Page MM, Coogan AN, Hazlerigg DG (2011): Circadian desynchrony and metabolic dysfunction; did light pollution make us fat?. Medical Hypotheses, 77:1139-1144

Griefahn B, Kretschmer V, Hölker F (2010): Chronobiologische und gesundheitsrelevante Wirkungen des Lichts auf den Menschen. – In: Köhler D, Walz M, Hochstadt S (eds): LichtRegion. Positionen und Perspektiven im Ruhrgebiet. Essen: Klartext, 69-80. 

Li Q, Zheng T, Holford TR, Boyle P, Zhang Y, Dai M (2010):  Light at night and breast cancer risk: results from a population-based case-control study in Connecticut, USA. Cancer Causes and Control 21: 2281-2285

Chepesiuk R (2009): Missing the Dark: Health Effects of Light Pollution Environmental Health Perspectives 117(1): A20-A27

Kantermann T, Roenneberg T (2009): Is light at night a health risk factor or a health risk predictor? Chronobiol Int 26: 1069-1074

Kloog I, Haim A, Stevens RG, Portnov BA (2009):  Global Co-Distribution of Light at Night (LAN) and Cancers of Prostate, Colon, and Lung in Men Chronobiol Int 26:1 108-125

Stevens RG (2009): Light-at-night, circadian disruption and breast cancer: assessment of existing evidence. Int J Epidemiol 38: 963-70

Kloog I, Haim A, Stevens RG, Barchana M, Portnov BA (2008): Light at night codistributes with incident breast but not lung cancer in the female population of israel. Chronobiol Int 25: 65-81

Navara KJ, Nelson RJ (2007): The dark side of light at night: physiological, epidemiological, and ecological consequences. J Pineal Res 43: 215-224

Brainard GC, Hanifin JP, Greeson JM, Byrne B, Glickman G, Gerner E, Rollag MD (2001): Action spectrum for melatonin regulation in humans: evidence for a novel circadian photoreceptor. Journal of Neuroscience, 21:6405-6412

Rajaratnam , Shantha M. W. und Arendt, Josephine (2001): Health in a 24-h society. In: Lancet, Jg.358, Heft 9286, S.999-1005

Provencio I, Rodriguez IR, Jiang G, Hayes WP, Moreira EF, Rollag MD (2000): A Novel Human Opsin in the Inner Retina. Journal of Neuroscience, 20:600-605

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