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Comment by gwern | Hacker News Reader

I wonder how much of that may be a vitamin D deficiency or a kind of SAD? Too late for you to experiment with melatonin, high lux lights, or vitamin D, I guess.

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I actually did take Vitamin D and 5-HTP for quite sometime (still take 5-HTP), and it did help me a little bit. My problem was the fact that every time I go outside to head to work/school, it's either raining, cloudy, foggy, or a combination of the three. And I used to love rain and fog when I lived in California, but it didn't last for 6+ months at a time.

Waking up in the morning during the winter has been the worst part. I have always been an early riser, but when I just moved here, for about a year I could barely get up at 9am.

I've had a hard time getting up in the morning all my life, and it was worse in the winters after moving to Portland. I ended up getting an earlier version of this gadget (http://www.amazon.com/Philips-goLITE-BLU-Therapy-Device/dp/B...), and found that a few minutes of blue-frequency light every morning turned me into a natural early riser. (I still don't like mornings, but I naturally wake up and get out of bed at the same time every day)

Your circadian rhythm is especially susceptible to the blue end of the spectrum so instead of a 10,000 watt sun lamp you can just use one of these (or perhaps a home-brewed equivalent with the right LEDs) to let your body know that, if you were in a better lattitude, the sun would be shining right now.

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