Comparison between an African town and a neighbouring village shows delayed, but not decreased, sleep during the early stages of urbanisation

Trends in the Prevalence of Short Sleepers in the USA: 1975–2006

(2017) Kristen L. Knutson et al.   SLEEP

Ancestral sleep

(2016) Horacio O. de la Iglesia et al.   CURRENT BIOLOGY

Timing and quality of sleep in a rural Brazilian family-based cohort, the Baependi Heart Study

(2016) F. Beijamini et al.   Scientific Reports

Natural Sleep and Its Seasonal Variations in Three Pre-industrial Societies

(2015) Gandhi Yetish et al.   CURRENT BIOLOGY

Access to Electric Light Is Associated with Shorter Sleep Duration in a Traditionally Hunter-Gatherer Community

(2015) Horacio O. de la Iglesia et al.   JOURNAL OF BIOLOGICAL RHYTHMS

A fresh look at the use of nonparametric analysis in actimetry

(2015) BSB Gonçalves et al.   SLEEP MEDICINE REVIEWS

Sleep patterns in Amazon rubber tappers with and without electric light at home

(2015) C. R. C. Moreno et al.   Scientific Reports

Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness

(2014) Anne-Marie Chang et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Entrainment of the Human Circadian Clock to the Natural Light-Dark Cycle

(2013) Kenneth P. Wright et al.   CURRENT BIOLOGY

Perspective: Casting light on sleep deficiency

(2013) Charles A. Czeisler   NATURE

Measuring Sleep: Accuracy, Sensitivity, and Specificity of Wrist Actigraphy Compared to Polysomnography

(2013) Miguel Marino et al.   SLEEP

Sleep in America: Role of racial/ethnic differences

(2013) Bosede Adenekan et al.   SLEEP MEDICINE REVIEWS

Sleep: A Health Imperative

(2012) Faith S. Luyster et al.   SLEEP

Genetic Homogeneity Across Bantu-Speaking Groups from Mozambique and Angola Challenges Early Split Scenarios between East and West Bantu Populations

(2011) Isabel Alves et al.   HUMAN BIOLOGY

The spectral composition of evening light and individual differences in the suppression of melatonin and delay of sleep in humans

(2011) Nayantara Santhi et al.   JOURNAL OF PINEAL RESEARCH

Exposure to Room Light before Bedtime Suppresses Melatonin Onset and Shortens Melatonin Duration in Humans

(2010) Joshua J. Gooley et al.   JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM

Increasing trends of sleep complaints in the city of Sao Paulo, Brazil

(2010) Rogerio Santos-Silva et al.   SLEEP MEDICINE

Adolescents Living in Homes Without Electric Lighting Have Earlier Sleep Times

(2009) Carina Aparecida Tardelli Peixoto et al.   Behavioral Sleep Medicine

Racial Differences in the Human Endogenous Circadian Period

(2009) Mark R. Smith et al.   PLoS One