Importance of light
Inspiration of "Light is Life":
We tend sometimes to ignore it, but our bodies are designed to live in full light, to the rhythm of the seasons ... Let us remember our ancestors not so long ago: during the long summer days, the efforts required by harvest were prominent. The duration of exposure to daylight increased, the secretion of serotonin, the hormone of activity that conditioned our body to absorb this renewed work and encouraged enthusiasm and vivacity. Conversely, winter was a period of lower hunting and cultivation activity. The short winter days conditioned the body for rest. Modern life has reversed this seasonal rhythm by encouraging us to work a lot during the winter and to take a vacation and / or nap in summer! This mutation is attributed to the appearance of electricity. By making light easily accessible and inexpensive, it has profoundly altered our relationship to the natural rhythm that the body has retained despite us. This is why it is frequent to experience a deep fatigue, or even, for the most cyclothymic, periods of depression at the beginning of winter. Our light-weaned body is "depressed", but our productivist culture encourages it to continue its efforts until the summer when it will be in good shape ... but will be summoned to rest! And so on throughout the working life.
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