n. Function: noun
prolonged inability to obtain adequate sleep FF1C; sleeping pills failed to relieve his insomnia FF1E;
Synonyms: insomnolence, sleeplessness
Related Words: restlessness, wakefulness; stress, tension
n. Function: noun
prolonged inability to obtain adequate sleep FF1C; sleeping pills failed to relieve his insomnia FF1E;
Synonyms: insomnolence, sleeplessness
Related Words: restlessness, wakefulness; stress, tension
Merriam Webster. Collegiate thesaurus English dictionary. Английский энциклопедический толковый словарь тезауруса. 2012