E18 - Part 2: Daylight vs. electric light for health with Russell Foster - Show notes Part 2: Papers/books that Russell refers to: A. Roger Ekirch's book: “At Day's Close” Thomas Wehr's research on bimodal or polymodal sleep: "In short photoperiods, human sleep is biphasic" (Wehr 1992) https://doi.org/10.1111/j.1365-2869.1992.tb00019.x Russell's group - investigation on international populations, night owls were missing morning light "Chronotype and environmental light exposure in a student population" (Porcheret et al. 2018) https://doi.org/10.1080/07420528.2018.1482556 Charles Czeisler’s group - full-intensity kindle watching for 4 hours for 5 nights "Evening use of light-emitting eReaders negatively affects sleep, circadian timing, and next-morning alertness" (Chang et al. 2014) https://doi.org/10.1073/pnas.1418490112 Prior light exposure of 500-600 lux during the day abolished the suppressing-melatonin-effect "The effects of prior light history on the suppression of melatonin by light in humans" (Hebert et al. 2002) https://doi.org/10.1034%2Fj.1600-079x.2002.01885.x Harvard group: aged humans show decreased sensitivity to light "Decreased sensitivity to phase-delaying effects of moderate intensity light in older subjects" (Duffy et al. 2007) https://doi.org/10.1016/j.neurobiolaging.2006.03.005 Christian Cajochen’s work on alertness, blue light is most important "High Sensitivity of Human Melatonin, Alertness, Thermoregulation, and Heart Rate to Short Wavelength Light" (Cajochen et al. 2005) Arti Jagannath's work on jet lag SIK1 deletion in mice and jet lag: "The CRTC1-SIK1 pathway regulates entrainment of the circadian clock" (Jagannath et al. 2013) https://doi.org/10.1016/j.cell.2013.08.004 Recent review on SIK: "The multiple roles of salt-inducible kinases in regulating physiology" (Jagganath et al. 2023) https://doi.org/10.1152/physrev.00023.2022 How to contact Russell Foster: Email: russell.foster@eye.ox.ac.uk