Insomniac
[ɪn'sɒmnɪæk]
解释:
(noun.) someone who cannot sleep.
(adj.) experiencing or accompanied by sleeplessness; 'insomniac old people'; 'insomniac nights'; 'lay sleepless all night'; 'twenty watchful, weary, tedious nights'- Shakespeare .
黛拉校对--From WordNet