Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of sleepless is as below...

Vigil :: Vigil (v. i.) Abstinence from sleep, whether at a time when sleep is customary or not; the act of keeping awake, or the state of being awake, or the state of being awake; sleeplessness; wakefulness; watch..

Slumberless :: Slumberless (a.) Without slumber; sleepless.

Sleepless :: Sleepless (a.) Having no rest; perpetually agitated.

Insomnious :: Insomnious (a.) Restless; sleepless.

Insomnia :: Insomnia (n.) Want of sleep; inability to sleep; wakefulness; sleeplessness.

Insomnolence :: Insomnolence (n.) Sleeplessness.

Sleepless :: Sleepless (a.) Having no sleep; wakeful.

Lidless :: Lidless (a.) Having no lid, or not covered with the lids, as the eyes; hence, sleepless; watchful..

Unrest :: Unrest (n.) Want of rest or repose; unquietness; sleeplessness; uneasiness; disquietude.

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