[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/sleepiness/)

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# sleepiness

noun (sleepiness — uncountable)

«sleepiness» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

Sleepiness is the feeling of being sleepy, when you are tired and want to sleep. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#m1)

### In the lessons

Used in health lessons: sleepiness in the day can mean you need more sleep at night; screens before bed can cause it. Medicines can cause sleepiness (warning on labels). Safety: drivers must not drive when sleepy.

### Examples

- I felt a wave of sleepiness after lunch. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x1)
- Too much screen time before bed can cause sleepiness at school. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x2)
- This medicine may cause sleepiness. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x3)
- Sleepiness while driving is dangerous. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x4)
- Her sleepiness meant she could not focus. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x5)
- Yawning is a sign of sleepiness. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x6)
- The coyote was affected by both sleepiness and pride. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/#x7)

### Note

Uncountable. From "sleepy" (y to i + -ness). Related: sleep, sleepy, sleepily.

## On Mova

- [Trees and pragmatics of «sleepiness» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sleepiness/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«sleepiness» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/sleepiness.html) on Mova free.