Hatsuyume

Hatsuyume (初夢) is the Japanese word for the first dream had in the new year. Traditionally, the contents of the dream would foretell the luck of the dreamer in the ensuing year. In Japan, the night of December 31 was often passed without sleeping, thus the hatsuyume was often the dream seen the night of January 1. This explains why January 2 (...
Found on http://en.wikipedia.org/wiki/Hatsuyume

Hatsuyume

The 1st dream of new year - traditionally, the contents of the dream would foretell the luck of the dreamer in the ensuing year. There is an old saying, Mt. Fuji (Ichi-fuji), a hawk (ni-taka) or an eggplant (san-nasubi or nasu), it indicates the three best things to have in your first dream. If you dream of three things, you will have good fortune ...
Found on http://www.wafuku.co.uk/glossary.htm
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