Yellow stars seemingly random because of hundreds of entries but in a pattern advancing one hour every day for for years.

After four years of data collection, my sleep patterns have been steady. Only problem is the unforgiving 24 hour clock we have, which makes my bedtimes look like totally random set of entries. You have to look closer. #datacollection #data #n24swd #n24

#Pupillometry studies in “sighted non-24-hour sleep–wake rhythm disorder " ( #N24SWD ) have demonstrated an attenuated #PIPR, suggesting that while they have retained #image forming #vision, the #circadian #light input to the #SCN ( suprachiasmatic nucleus ) is impaired.