Does your sleep change with seasons?
人们的睡眠会随着季节变化而变化吗?
Yes, that's a good question
是的 这个问题提得好
Has anybody ever lived in Finland or northern Norway
有没有人在芬兰或挪威北部居住过
where you are above the Arctic Circle
也就是北极圈以北的地区
and it's dark all winter
那些地区整个冬天都在夜晚当中
there's a much higher rate of alcohol and depression
那里的酗酒和抑郁的比例也很高
winter depression
冬季抑郁症
because melatonin is just always being secreted
因为人体一直在分泌褪黑素
There're probably other reasons as well
还有一些其他季节也会影响睡眠
but yes, sleep is very much affected
但影响睡眠的因素包括
by long days, short days dark and light
白天黑夜的长短 阳光照射的长短等等
When it's light out all evening, midnight sun
如果晚上 半夜太阳还不下山
it's hard to go to sleep
人们也很难入睡
it's energizing and it's problematic
因为阳光让人精力充沛 这也是问题
So there are some issues
所以还有一些其他因素
Some people have winter depression
有的人会出现冬季抑郁症
and it's directly related to the long dark winters
这个问题是冬季过长的黑夜直接引起的
You can self medicate
你可以自我治疗
A lot of people take their ski vacation in the snow
很多人会去滑雪
and they get lots of light on the ski slopes in winter
这样冬季就可以接受更多雪地反射来的光线
or they go to Hawaii and get lots of sun and light
也可以去夏威夷享受阳光
So it's kind of self medication for seasonal affected disorder
这些都是治疗季节性睡眠障碍的方法
The question is about
她问到了
the wrist accelerometers
腕部检测仪
and other commercial products that are out there
和市面上的其他仪器
to look at your sleep and monitor your own sleep
对睡眠的检测情况
they are pretty good
这些产品都很好
They are actually not that great
但如果你有睡眠障碍
if you have a sleep disorder
那么它们就不够好用
because they are very inaccurate
因为它们的数据可能不准确
They are counting on your not to move much
因为它们的检测依据是你的运动量
and to sleep a lot
和睡着了的情况
And then they are great
在这方面 这些仪器是很好用的
They are very reliable and valid
数据很可靠 而且很有效
But when you are up a lot
但如果你不断的醒来
they become less and less accurate
那么它们的测量数据就变得不那么精确了
There are some APPs out there to that are very questionable
还有一些应用程序也有待证实
haven't really been studied
没有人对它们进行真正的研究
So you know, use your best judgment
你们应该自己去判断
How many of you are wearing Fitbits?
有多少人戴过Fitbits(一种运动手环)?