ZDNet-tietotekniikkalehden
freelance-toimittaja (avustaja) Eileen Brown on testannut Valkeen
korvavaloa jetlagiin (aikaerorasitus) ja toteaa 23.10.2015
julkaistussa artikkelissa seuraavaa:
”I did not notice any difference in
the way I felt. My sleep pattern was the same as usual and it was not
a disturbed sleep.”
”So did it work for me? Honestly, I
am not sure that I recovered from my jet lag any faster than when I
do other trips.”
”I am really not sure that the Human
Charger helped me at all.”
Tuo ei varmastikaan ollut mikään
yllätys, että korvavalo ei vaikuta millään tavalla
aikaerorasitukseen. Eileen näyttää kokeneen samaa, mitä monet
suomalaiset Valkee-testihenkilöt olivat kokeneet ja tulkinneet sen myönteiseksi vaikutukseksi, vaikka vaikuttava tekijä olikin lämpö eikä valo. Ainoa korvavalon synnyttämä myönteinen tuntemus onkin siten ledien korvakäytävissä tuottama lämpöaistimus. Lämmöntunne – vaikutti se sitten
mihin tahansa kehonosaan – koetaan yleensä miellyttävänä,
kunhan se ei vain ole liian voimakas.
”The LED lights warmed my ears and
the sensation was really pleasant.”
”I strangely like the sensation of
having warm ears.”
Artikkeli kokonaisuudessaan:
Hands on with Valkee Human Charger:
Smoke and mirrors or jet lag fix?
The Valkee Human Charger is sold as a
device to beat the winter blues in the UK. It claims to prevent or
shed common winter blues symptoms "improving energy level,
improving mood, increasing alertness, reducing carbohydrate cravings,
and improving cognitive performance".
In the US, the Amazon description for
the "Jet Lag Headset" is missing from the product
description. This seemed strange as the page on Amazon.co.uk is full
of information.
Apparently the human body is sensitive
to light exposure to regulate your circadian rhythms. This is why we
go to bed when it is dark and wake during the light. In a different
time zone, getting exposure to daylight helps your body readjust to
the new time to go to sleep.
This charger shines light into the ear
to help the brain and body "respond to changes in light and
darkness". The science geek in me wanted to test this out on
myself.
I initially looked at Human Charger in
June 2015. I had no immediate big trips planned so I could not test
how it sorted out any jet lag. I went to New York the other week to
interview social network Tsu. It was time to test the device out
during the trip.
I downloaded the app for both my
Windows and Android phones and inputted my flight details into the
app. The app graphics are lovely on both platforms, but the app
itself does not seem to do much apart from scroll through changes
from day to night as the flight approaches.
A couple of days before my outbound
flight I noticed that I needed to use the Human Charger several times
during the day to adjust my body to the new time zone. The Android
app gave me an alert, the Windows phone app did not.
The device is used for 12 minutes per
session. The LED lights warmed my ears and the sensation was really
pleasant. The light was quite bright in the dim aircraft cabin,
lighting up the skin of my ears and making them glow. I strangely
like the sensation of having warm ears.
On my arrival in New York I had to use
the charger four times at 3pm, 5pm, 7pm and 9pm. I did not notice any
difference in the way I felt. My sleep pattern was the same as usual
and it was not a disturbed sleep. The next day, I had to use the
charger at the same times throughout the afternoon.
The light program ended after two days
at my US destination. I had one day free from the charger before I
had to start to prepare myself for the trip home back east. The app
alerted me to use the charger twice in the morning the day before my
flight, and again the day I left New York.
Flying east, I had to use the charger
four times as soon as I landed in London and again the next day
before the program ended.
So did it work for me? Honestly, I am
not sure that I recovered from my jet lag any faster than when I do
other trips. When I fly west, I try to get outside in the daylight as
much as possible at my destination to adjust as quickly as possible.
If I fly east, I have a one hour nap at
my destination and then I power through to bed time, eating at the
new time zone meal times and getting as much daylight as possible. I
am really not sure that the Human Charger helped me at all.
As the days get shorter as we go
towards winter in the northern hemisphere I will use the charger. As
the temperature plummets at least my ears will be warm.
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