His study found that larger changes [in the brain's capacity to control hand movement] are induced when the experiments are performed in the evening, as compared with mornings.
“Such time-of-day variations in function are not unusual. Organisms are adapted to the continual change in light and dark during a 24 hour period to avoid predators and to reproduce faster,” he says.
“For example, the petals of many flowers only open during the day, while some organisms only reproduce at night. In humans, these rhythms are governed by a variety of hormones that control many bodily functions.”
Sometimes it does seem that Charlie is at his most alert, active, and engaging around 9pm—while at 9am, he is often (as his teachers have noted) sluggish and slower-moving (fortunately, he had P.E. at 11am last year—this helped wake him up and refocus). I’ve noted that year-round school seems like a good idea for Charlie—–what about “night school” too……….
Maybe being an owl in terms of one’s sleep patterns is not such a bad thing, indeed.