nationalgeographic1284 karma2018-07-18 16:18:49 UTC
I like this question... mostly because I can't answer definitively answer. I'd like to poll some experts. That said, my sense is that 8 hours is better. While light can disturb sleep, once the body is fully launched into a good night's rest, one is usually unaware of the amount of ambient light.
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nationalgeographic862 karma2018-07-18 16:02:23 UTC
Hello. In general, according to the American Academy of Sleep Medicine, sleep paralysis -- during which a person in unable to move for a few seconds to a few minutes upon awaking -- can be triggered by mental stress, sleep deprivation, or irregular sleep-wake patterns. There may also be a hereditary factor. By the way -- fun fact -- many alien abduction stories have turned out to be cases of sleep paralysis. (Or at least that may be what the aliens want us to think.)
nationalgeographic862 karma2018-08-19 13:17:53 UTC
I think people think being a Nat Geo photographer is glamorous. Nothing could be further from the truth. We spend a lot of time away from home and we work on tight budgets. For wildlife and ethnographic photographers, like myself, we spend months camping or living on small boats. It is lonely, high stress and high pressure. Being a photographer means you work in a very competitive field and your job is never guaranteed. I woudn't want to do anything else, though. The chance to tell stories through one of the largest and most prestigious magazines in the world is a great opportunity and a great responisbility. CGM
nationalgeographic862 karma2018-07-25 15:31:50 UTC
Zoos and aquarums accredited by the Association of Zoos and Aquariums (AZA), meet the highest standards in animal care and welfare, and make up only 10% of over 10,000 facilities licensed by the USDA to have animals in their care. As part of the AZA standards, accredited facilities like the Columbus Zoo and Aquarium are required to participate in conservation projects benefitting wildlife in their native habitats.
nationalgeographic735 karma2018-07-06 16:32:54 UTC
Unfortunately the best thing I have created yet has produced images that are not published yet so I can't really talk about it too much! It was a robotic bird camera though!
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