Expose yourself to natural daylight first thing in the morning to boost your energy levels, optimize your internal clock (via our ocular 'sky detectors'), and limit the risk of mood dips.

noli's read

The difference in light intensity between indoors and outdoors is an indisputable physical fact: our closed living spaces are commonly 50 to 1000 times less bright than the sky outside. Physiologically, the existence of specialized 'detectors' in our eyes (melanopsin-containing ganglion cells) is solidly established by fundamental research in neurobiology. Furthermore, small-scale experimental studies confirm that early exposure to bright light strengthens the natural morning cortisol peak by nearly 50%, which promotes daytime alertness. However, the claim that morning light 'cuts the risk of mood dips in half' for adults is exaggerated. Epidemiological analyses of the vast UK Biobank cohort, conducted by researcher Angus Burns, do confirm a robust association between daylight exposure and improved emotional well-being. Nevertheless, this observational evidence describes a reduction in the risk of persistent sadness on the order of 20% to 30% among those with the highest exposure.

the sources

1. 1Blume C, Garbazza C, Spitschan M 2019
2. 2Brown TM et al. 2022