---
title: Bright screens late in the evening make it harder to fall asleep, be… — Sleep, exercise and growing up · tree and pragmatics
description: Bright screens late in the evening make it harder to fall asleep, because the brain takes the light as a sign that it is still day. Who acts: Bright screens, brain. A sentence of the lesson «Sleep, exercise and growing up» of the world course of Mova's primary school with its dependency tree and the
---

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# Sleep, exercise and growing up, sentence 3

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Bright screens late in the evening make it harder to fall asleep, because the brain takes the light as a sign that it is still day.

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**Who acts:** Bright screens, brain · **What happens:** make, fall, take, be · **To what, where:** Sleep, light, day

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This is a sentence of the lesson «Sleep, exercise and growing up» of the world 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 (Bright screens, brain), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:038-sleep-exercise-growing.lesson:3
# text = Bright screens late in the evening make it harder to fall asleep, because the brain takes the light as a sign that it is still day.
# source = school lesson (ours)
# course = world
# lesson = 038-sleep-exercise-growing.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): R7-rel-agree ×1
1	Bright	bright	ADJ	JJ	Degree=Pos	2	amod	_	_
2	screens	screen	NOUN	NNS	Number=Plur	7	nsubj	_	_
3	late	late	ADV	RB	Degree=Pos	7	advmod	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	evening	evening	NOUN	NN	Number=Sing	7	obl	_	_
7	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	expl	_	Agree=R7-rel-agree|Haiku=7:obj
9	harder	hard	ADJ	JJR	Degree=Cmp	7	xcomp	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	fall	fall	VERB	VB	VerbForm=Inf	9	advcl	_	_
12	asleep	asleep	ADJ	JJ	Degree=Pos	11	xcomp	_	_
13	,	,	PUNCT	,	_	17	punct	_	_
14	because	because	SCONJ	IN	_	17	mark	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	brain	brain	NOUN	NN	Number=Sing	17	nsubj	_	_
17	takes	take	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	advcl	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	light	light	NOUN	NN	Number=Sing	17	obj	_	_
20	as	as	ADP	IN	_	22	case	_	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
22	sign	sign	NOUN	NN	Number=Sing	17	obl	_	_
23	that	that	SCONJ	IN	_	27	mark	_	_
24	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	27	nsubj	_	_
25	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	27	cop	_	_
26	still	still	ADV	RB	_	27	advmod	_	_
27	day	day	NOUN	NN	Number=Sing	22	acl	_	_
28	.	.	PUNCT	.	_	7	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 | **make** | present | Bright screens | Sleep |  |  | evening | hard, late *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 2 | **fall** | to-infinitive | Bright screens *not said here* |  |  |  |  | asleep *property* | vn occur-48.3 «NP V»: agent=Theme |
| 3 | **take** | present | the brain | the light |  |  |  | as a sign | vn characterize-29.2 «NP V NP S\_ING»: agent=Agent light=Theme as sign=Attribute |
| 4 | **is a** | present | brain | day |  |  | still |  | tree rules |

<!-- .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:world:038-sleep-exercise-growing.lesson:3`.

**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): R7-rel-agree ×1. **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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