New student cerebrum is coriaceous and excited low, the stimulation that the outside comes to is right new student for it is too strong, what because this lasts to be stimulated with reduplicative,make is special easily fatigue, cause cerebral cortex stimulant more low and enter Morpheus state. Be in so new student period, besides suck the breast beyond, almost all time is in Morpheus. Later the development as pallium, children Morpheus time shortens gradually.

Morpheus can make pallium gets rest and restore its function, generally speaking 5~6 year old the children previously, compensatory by day Morpheus is very important to health. Average new life the Morpheus time of one day and night is 18~20 hour, 2~3 the month is 16~18 hour, 5~9 the month is 15~16 hour, 1 year old is 14~15 hour, 2~3 year old for 12~13 hour, 4~5 year old for 11~12 hour, 7~13 year old for 9~10 hour. Also have a few child, in regain consciousness all the more in a few months at first, if look spirit very good, also need not much Lv.