wakeful, on the lookout, lidless, awake, alert, cautious, wide-awake, careful, vigilant, wary, insomnious, slumberless, awareness, circumspect, restless, insomniac, watchful, on the alert.
The Lady Katuti had risen early after a sleepless
She would not again give way to her besetting weakness, and spend sleepless
nights in futile remorse.
I have spent a sleepless
night, and this is my conclusion.