---
title: Long screen time can mean less sleep, less activity and more tired e… — Screens, eyes and sleep · tree and pragmatics
description: Long screen time can mean less sleep, less activity and more tired eyes, though screens aren't always bad and balance matters. Who acts: screen time, screens, balance. A sentence of the lesson «Screens, eyes and sleep» of the medicine course of Mova's primary school with its dependency tree and the 
---

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# Screens, eyes and sleep, sentence 4

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Long screen time can mean less sleep, less activity and more tired eyes, though screens aren't always bad and balance matters.

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**Who acts:** screen time, screens, balance · **What happens:** mean, not be, matter · **To what, where:** less sleep

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This is a sentence of the lesson «Screens, eyes and sleep» of the medicine course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (screen time, screens, balance), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:035-screens-eyes-and-sleep.lesson:4
# text = Long screen time can mean less sleep, less activity and more tired eyes, though screens aren't always bad and balance matters.
# source = school lesson (ours)
# course = medicine
# lesson = 035-screens-eyes-and-sleep.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change
1	Long	long	ADJ	JJ	Degree=Pos	2	amod	_	_
2	screen	screen	NOUN	NN	Number=Sing	3	compound	_	_
3	time	time	NOUN	NN	Number=Sing	5	nsubj	_	_
4	can	can	AUX	MD	VerbForm=Fin	5	aux	_	_
5	mean	mean	VERB	VB	VerbForm=Inf	0	root	_	_
6	less	less	ADJ	JJR	Degree=Cmp	7	amod	_	_
7	sleep	sleep	NOUN	NN	Number=Sing	5	obj	_	_
8	,	,	PUNCT	,	_	10	punct	_	_
9	less	less	ADJ	JJR	Degree=Cmp	10	amod	_	_
10	activity	activity	NOUN	NN	Number=Sing	7	conj	_	_
11	and	and	CCONJ	CC	_	14	cc	_	_
12	more	more	ADV	RBR	Degree=Cmp	13	advmod	_	_
13	tired	tired	ADJ	JJ	Degree=Pos	14	amod	_	_
14	eyes	eye	NOUN	NNS	Number=Plur	7	conj	_	_
15	,	,	PUNCT	,	_	21	punct	_	_
16	though	though	SCONJ	IN	_	21	mark	_	_
17	screens	screen	NOUN	NNS	Number=Plur	21	nsubj	_	_
18	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	21	cop	_	_
19	n't	not	PART	RB	Polarity=Neg	21	advmod	_	_
20	always	always	ADV	RB	PronType=Tot	21	advmod	_	_
21	bad	bad	ADJ	JJ	Degree=Pos	5	advcl	_	_
22	and	and	CCONJ	CC	_	24	cc	_	_
23	balance	balance	NOUN	NN	Number=Sing	24	nsubj	_	_
24	matters	matter	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	conj	_	_
25	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mean** | can | screen time | less sleep and less activity and tired eyes |  |  |  |  | vn intend-61.2-1 «NP V NP»: agent=Agent sleep=Topic |
| 2 | **not** **is** | present | screens |  |  |  |  | always, bad *property* | tree rules |
| 3 | **matter** | present | balance |  |  |  |  |  | vn matter-91 «NP V»: agent=Stimulus |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:medicine:035-screens-eyes-and-sleep.lesson:4`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): no change. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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- ← previous: [Screens, eyes and sleep, 3](https://md.mova.elamur.ai/free/en/corpora/school/medicine/35-screens-eyes-and-sleep/3/)
- next →: [Screens, eyes and sleep, 5](https://md.mova.elamur.ai/free/en/corpora/school/medicine/35-screens-eyes-and-sleep/5/)
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