4.5 The bedroom: reading & references
Course subject(s)
Module 4. Everyday environments
The study below shows how blocking blue light (by wearing yellow contact lenses before going to bed) can help people to sleep better.
- Burkhart K, Phelps JR (26 December 2009). “Amber lenses to block blue light and improve sleep: a randomized trial”. Chronobiol Int 26 (8): 1602–12.
The positive effect a alarmclock that emits light has on the levels of stress hormone cortisol is studied in this study:
- Thorn L, Hucklebridge F, Esgate A, Evans P, Clow A.The effect of dawn simulation on the cortisol response to awakening in healthy participants. Psychoneuroendocrinology. 2004 Aug;29(7):925-30.
There are many programmes and apps to block the blue light from your screen. Justgetflux works on many different operating systems:
An app that tracks your sleepcycle is:
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Healthy ageing in 6 steps - Let the environment do the work by TU Delft OpenCourseWare is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://ocw.tudelft.nl/courses/healthy-aging-6-steps/.