Sleepiness
noun
A feeling of being tired and wanting to sleep.
After a long day at work, he felt a strong sense of sleepiness.

Often appears as...
- overcome by sleepiness
- sudden sleepiness
noun
A feeling of being tired and wanting to sleep.
After a long day at work, he felt a strong sense of sleepiness.

Often appears as...
- overcome by sleepiness
- sudden sleepiness
Definition 1 of 1

Subjective Feeling
Sleepiness is subjective. It can vary greatly between individuals and situations.

Despite the noise, her sleepiness was overpowering.
Emotional State
Sleepiness can affect emotions, making someone appear uninterested or disengaged.

His sleepiness during the lecture made him seem indifferent.
Daytime Context
Using 'sleepiness' during daytime can imply that it’s unusual or due to specific reasons.

The medication caused an unexpected sleepiness in the middle of the day.
Subjective Feeling
Sleepiness is subjective. It can vary greatly between individuals and situations.

Despite the noise, her sleepiness was overpowering.
Emotional State
Sleepiness can affect emotions, making someone appear uninterested or disengaged.

His sleepiness during the lecture made him seem indifferent.
Daytime Context
Using 'sleepiness' during daytime can imply that it’s unusual or due to specific reasons.

The medication caused an unexpected sleepiness in the middle of the day.
Subjective Feeling
Sleepiness is subjective. It can vary greatly between individuals and situations.

Despite the noise, her sleepiness was overpowering.
Emotional State
Sleepiness can affect emotions, making someone appear uninterested or disengaged.

His sleepiness during the lecture made him seem indifferent.
Daytime Context
Using 'sleepiness' during daytime can imply that it’s unusual or due to specific reasons.

The medication caused an unexpected sleepiness in the middle of the day.
Video examples
Are naps actually good...
Although we and other scientists have discovered that naps can have benefits for both the brain and for the body, naps can be a double-edged sword. Long naps in the afternoon or in the early evening can just take the edge off your sleepiness. It's a little bit like snacking before your main meal.
Video examples
The surprising reason...
coordinating its activity with the brain. That's where those unpleasant symptoms come in, starting with the surging temperature, aches and pains, and sleepiness. So why do we experience this? When the immune system is under serious attack,
Video examples
Are naps actually good...
Although we and other scientists have discovered that naps can have benefits for both the brain and for the body, naps can be a double-edged sword. Long naps in the afternoon or in the early evening can just take the edge off your sleepiness. It's a little bit like snacking before your main meal.
Video examples
The surprising reason...
coordinating its activity with the brain. That's where those unpleasant symptoms come in, starting with the surging temperature, aches and pains, and sleepiness. So why do we experience this? When the immune system is under serious attack,
Example 1 of 2
Quote examples
E. W. Howe
American Novelist
The feeling of sleepiness when you are not in bed, and can't get there, is the meanest feeling in the world.

Quote examples
E. W. Howe
American Novelist
The feeling of sleepiness when you are not in bed, and can't get there, is the meanest feeling in the world.

Example 1 of 1
WordUp Chrome Extension
As you browse the web instantly look up words you don’t know.
Get Chrome Extension