I wonder how big of a role artificial light at night plays in this problem. My experience tells me that the later I have to get up the longer I stay awake at ni

I wonder how big of a role artificial light at night plays in this problem. My experience tells me that the later I have to get up the longer I stay awake at night. At the moment I am experimenting with blue light blocking sun glasses that I put on after sunset: http://www.amazon.com/Uvex-S1933X-Eyewear-SCT-Orange-Anti-Fog/dp/B000USRG90/ref=sr_1_1?ie=UTF8&qid=1394744494&sr=8-1&keywords=sct+orange http://www.amazon.com/Uvex-S1933X-Eyewear-SCT-Orange-Anti-Fo...