Sleepless

/ˈsliːplɪs/

Meaning & Definition

adjective

Unable to sleep; characterized by a lack of sleep.

After the stressful week, I found myself feeling completely sleepless.

Not affording sleep; often used to describe nights spent awake.

The sleepless night before the exam left me exhausted.

Causing or resulting in a lack of sleep.

The baby’s sleepless cries kept the entire household awake.

Old English 'slepian' meaning 'to sleep' + '-less' meaning 'without'.

sleepless nights

nights spent without sleep, often due to worry or excitement.

sleepless in Seattle

a reference to a famous romantic film depicting longings and sleeplessness.

sleeplessness

the condition of being unable to sleep.

insomnia

a condition characterized by the inability to sleep.

drowsy

feeling sleepy or weak.

restless

unable to rest or relax.

Zombie mode

After two days of no sleep, I felt like I was in zombie mode.

Burning the midnight oil

She was burning the midnight oil to finish her project.