What about a benefit for daily light?

 Yes, daily light is very benefit, but for a last 70 years all are sure, that  sunlight  suppress a manufacture melatonin is sleep hormone, and on 2019 results are researches by Texas university S.Zimmerman  and R.Reiter is evidences that natural daily light is stimulates melatonin manufacturing.By theirs theory, melatonin in organism having in 2 forms:

1. Circulating melatonin, which manufacturing by thyroid gland and affecting big on sleep, and circadian  rhythms and

2. Sub cellular melatonin, manufacturing and using by mitochondrias in our cells.

Manufacturing melatonin is causes of affecting infra-red light from light ,as we are now is not getting almost, as of these are our mitochondrias suffering. Sunlight  is our source base for infra-red light, but analogic effect is weak, is getting from fire as candles, ovens, fireplaces, and from a few therapy by red light.

Zimmerman and Reiter ar suggesting,that manufacturing of  subcellular melatonin by cells stimulating by sunlight.  Thus in peoples, affecting of influencing of natural light daily, increasing a stock of into cellular melatonin, which effects as power antioxidant , preventing for inflammation and ageing .Thus,  inflammation is tied with abundant weight, affecting of natural daily light would be a benefit for peoples with metabolism problems.

By Scientists from North Illinois found,that peoples affected of clear light till noon, are weighted less as on 600 gr, than , who affected of clear light on evening. And a few researches shown ,that morning therapy by clear light improves carbohydrate metabolism and affecting for lowering fatty stocks. Everyday affecting of clear light within a few weeks is lowed needing in insulin in both researches by insulin s diabetics, that to say, that  a daily light improves glycemic control. Morning affecting of clear light /1300-500 lux/ within 3-20 weeks also lowering resistance to insulin. And here is concrete advice: try to use are 40-60 min , on ideal are 2-3 hours on an opened air at natural light since 8.00 am till 11.00 am and/or within a day, for a getting maximal dose from sun rays.Its ability to do and on other hours, but on summer not recommending staying under straight sun rays without a (clothes) since 12.00 pm till 16.00 pm as of a high ultraviolet index and for risk to get sun burn. And not stay on sun on a very hot weather and sun is very active.An enough stay in shadow!