Did you know that when baby gulls see the red spot on their parents' bills, they know to start pecking for food there? Adult gulls throw-up food for their chicks to eat and seeing the red spot triggers off the chicks' pecking activity.
All-nighters less educational than sleep
All-nighters less educational than sleep It seems that without sleep to 'catch' what you've
learned, new skills and information can slip right out of your
brain. Getting a good sleep the night after learning something new
starts "the process of memory consolidation," says Robert Stickgold
of Harvard Medical School. Volunteers who stayed up all night after
learning a new task did not perform as well the next day as those
who did get sleep. Even getting lots of sleep on the next two
nights did not allow the volunteers to 'catch up' to their
well-rested peers. The researchers concluded that sleep within 30
hours of training is absolutely essential for learning. The study
also showed that people who are learning usually dream about the
new task or knowledge early in the night. NOVEMBER 22, 2000
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