sleepless

About 0.96 uses per million words.

Meaning

1. adjective Characterized by an absence of sleep: wakeful.

   I spent a sleepless night worrying about the exams.

Similar words

insomniac awake lidless watchful alert malevolent malicious ill white blanche

Often followed by

nights night and in hours vigilance eyes for eye

Word family

sleeplessly sleeplessness sleeplessnesses