Came across this article about sleep patterns being related to hormones: http://www.slate.com/articles/health...src=most_viral
As long as I can remember I've been a natural night owl. I can stay up comfortably and be very functional until about 3 a.m. or later, provided I can sleep in until about 11. Which of course rarely happens anymore. Conversely, waking up earlier than 8:30 is torture even if I go to bed early and get the same amount of sleep.The biology of human sleep timing, like that of other mammals, changes as we age. This has been shown in many studies. As puberty begins, bedtimes and waking times get later. This trend continues until 19.5 years in women and 21 in men. Then it reverses. At 55 we wake at about the time we woke prior to puberty. On average this is two hours earlier than adolescents. This means that for a teenager, a 7 a.m. alarm call is the equivalent of a 5 a.m. start for people in their 50s.
Precisely why this is so is unclear, but the shifts correlate with hormonal changes at puberty and the decline in those hormones as we age.
When I took all day tests in grad school, my test scores rose steadily as the morning progressed. IOW, I am zombie early in the morning. I think it's genetic--my grandmother was one. We would stay up laaaaaaaaaaaaaaaaate together and watch movies when I was a kid on summer vacation. My son is a natural night owl too but finds it a lot easier to wake up early, especially if he has something exciting to look forward to. A good friend is an insufferable early bird, all perky and chipper at 6 am, a zombie at 10 pm.
What about you? Thoughts on this? The article?