my speech therapiest said they yawn because they are using their brain. cos the brain use 1/4 of the oxygen we intake... so dun say your kid is lazy .... may be he is just using his brain la.
原帖由 viscattery 於 11-4-4 23:11 發表
my speech therapiest said they yawn because they are using their brain. cos the brain use 1/4 of the oxygen we intake... so dun say your kid is lazy .... may be he is just using his brain la.