1. 
   hyposomnia
   (hi″po-som´ne-ә) reduced time of sleep.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   hyposomnia
   hyposomnia A condition of getting insufficient sleep.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1985/
   
   
3. 
   hyposomnia
   1) Reduced time of sleep
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/hyposomnia/1
   
   

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