Synonyms for sleepless

Synonyms for (adjective) sleepless

Synonyms: sleepless, lidless

Definition: always watchful

Usage: to an eye like mine, a lidless watcher of the public weal- Alfred Tennyson

Similar words: alert, watchful

Definition: engaged in or accustomed to close observation

Usage: caught by a couple of alert cops; alert enough to spot the opportunity when it came; constantly alert and vigilant, like a sentinel on duty


Synonyms: watchful, insomniac, sleepless

Definition: experiencing or accompanied by sleeplessness

Usage: insomniac old people; insomniac nights; lay sleepless all night; twenty watchful, weary, tedious nights- Shakespeare

Similar words: awake

Definition: not in a state of sleep; completely conscious

Usage: lay awake thinking about his new job; still not fully awake