The atmospheric moisture on an average plane ranges from a shockingly dry 2–3 percent to a max of 10. By comparison, the increase feels downright tropical. Qantas is currently in the midst of a clinical trial with Sydney-based professor Stephen Simpson, academic director of the Australian medical research institute Charles Perkins Centre, to figure out how *exactly* humidity might be able to improve travelers' in-flight experiences. Right now, passengers are serving as globetrotting guinea pigs—they’ll be outfitted with wearable technology to study the impact of air travel on mental state and anxiety, immune function, cardiometabolic health, sleep patterns, and recovery from jet lag.
Air flows at a humidity level up to 15 percent greater than a traditional aircraft. The result is equivalent to flying at 6,000 feet instead of a staggering Machu Picchu–level 8,000.
So, why is Qantas equipping its planes with the equivalent of supercharged humidifiers? “Health and the air isn't well studied and understood,” says Simpson. One thing that's clear to anyone who's ever tried sleeping during a flight, though, is that super-dry cabin conditions make it difficult to catch zzz's and sync your system to a new time zone.
“The basic problem that underlies jet lag is the fact [that] the body clock system cannot catch up to a large shift in time zone in one step," explains Simpson "Given the powerful influence our body clock systems have on just about every aspect of our physiology—from cognitive performance to gut function—it's not surprising that being out of sync with the prevailing time zone cause us to feel out of sorts.”
Because of the importance of keeping your circadian rhythm in check, Simpson says the trial's also looking at “light and cabin temperature to help regulate sleep and begin to adjust passengers’ circadian rhythms to the time zone they're traveling to." The planes have a sunset to sunrise schedule of lighting that provides daylight-mimicking light at optimal times to shift your internal clock.
I wasn't part of the study, but I will say that after 14 hours, I landed at LAX with hydrated skin, no bloat, and feeling energized. The first thing I wanted to do when I got off the plane, surprisingly, wasn't face plant in my bed. There were no jet-lagged induced naps in the days following my arrival, either, and I didn’t even need melatonin to sleep and acclimate to my home time zone. It'll be awhile before the results of Simpson's study are released. But here's my verdict: Dewy skin sans sleep deprivation? Yes, please.
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