উম্ খাৱ নন্ (TAI-Ahom) [ Roman: um khow non]
    Contributed by: Anjali Sonowal on 2009-07-15
    1. (Abstract Noun) inability to have proper or sufficient sleep. যথেষ্ট বা সঠিকভাৱে টোপনি যাব নোৱৰা অৱস্থা।