HEALTH AND WELL-BEING 



67 



But excessive labor of any kind, and the wear incident to it, 

 may require a correspondingly longer period to rebuild 

 tissues and restore the energy of the body. Children during 

 the years of their growth require more sleep than adults. 



FIG. 28. School gardens. 



Sitting up late at night for study as practised by students in 

 school is not generally advisable. Social indulgencies that 

 carry festivities late into the night are to be wholly avoided. 

 Physical weariness when not excessive is conducive to sleep, 



