Very Intriguing
# Photographs and electric devices to record movements show that the average sleeper, who changes position at least 40 times during an eight-hour stretch, is quietest in the first two hours, then grows progressively more restless.
-I go to sleep on my back; wake up on my stomach.
# At Colgate University sleep investigator Donald A. Laird found that people awakened after four hours' sleep were just as alert, well-coordinated physically and resistant to fatigue as those who slept eight hours (but they did lose in accuracy and concentration).
-I feel extremely groggy even when I wake up after 6-7 hours most times(particularly early morning)…