Abstract

Our research group has went on several intervention programs which were applied to infants, elementary school
and junior high school students and university sports-club students and also people who suffered disaster of
Hanshin-Awaji Great Earthquake in 1995. All intervention programs were performed and are now going on to
promote mental and physical health. The current intervention program focuses on the intervention which is based
on a newly constructed series-of-leaflets for promoting sleep health entitled “Three great benefits due to ‘Go to
Bed Early, Get up Early and Do not Forget Breakfast!”. These leaflets consist of four versions for parents of
small children, athletes, women and people who suffered great disasters. In this study, we would like to focus on
the results of three intervention studies to promote the athletes who are the members of succor team of Kochi
University held in November of 2008 (Takeuchi et al., 2012), 2010 (Wada et al., submitted) and 2011 (Wada et
al., unpublished; Harada et al.,. unpublished). All the three kinds of intervention seem to be effective for athletes
to change their chronotype into morning-typed one, promote the sleep and mental health and finally improve
their performance in playing sports.

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