We looked at sleep and activity data for several years, looking at both Sleeptracker® and MotionX® activity information. The data clearly shows similar patterns from year to year. Thanksgiving and the Holidays, in general, change our sleep and activity levels significantly. Here is an article form the New York Time that discusses some of this impact:

https://www.nytimes.com/2007/11/20/health/nutrition/20well.html#sleep