---
title: What would happen if a grown-up's brain did not switch off his muscl… — Sleep and dreams in people · tree and pragmatics
description: What would happen if a grown-up's brain did not switch off his muscles in REM sleep? Test 10 of lesson 363 «Sleep and dreams in people» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 10 · Sleep and dreams in people

<!-- .ven lang=en -->
What would happen if a grown-up's brain did not switch off his muscles in REM sleep?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** brain · **What happens:** happen, grow, not switch off · **To what, where:** muscles, REM sleep

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This is test 10 of lesson 363 «Sleep and dreams in people» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/363-sleep-and-dreams-in-people/#t10).

## The question {#question}

```conllu
# sent_id = question:biology:363-sleep-and-dreams-in-people:t10:1
# text = What would happen if a grown-up's brain did not switch off his muscles in REM sleep?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	if	if	SCONJ	IN	_	13	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
6	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	amod	_	SpaceAfter=No
7	-	-	PUNCT	HYPH	_	6	punct	_	SpaceAfter=No
8	up	up	NOUN	NN	Number=Sing	10	nmod:poss	_	SpaceAfter=No
9	's	's	PART	POS	_	8	case	_	_
10	brain	brain	NOUN	NN	Number=Sing	13	nsubj	_	_
11	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	13	aux	_	_
12	not	not	PART	RB	Polarity=Neg	13	advmod	_	_
13	switch	switch	VERB	VB	VerbForm=Inf	3	advcl	_	_
14	off	off	ADP	RP	_	13	compound:prt	_	_
15	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	16	nmod:poss	_	_
16	muscles	muscle	NOUN	NNS	Number=Plur	13	obj	_	_
17	in	in	ADP	IN	_	19	case	_	_
18	REM	rem	NOUN	NN	Number=Sing	19	compound	_	_
19	sleep	sleep	NOUN	NN	Number=Sing	13	obl	_	SpaceAfter=No
20	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **grow** | participle |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 3 | **not** **switch off** *a condition, not said to happen* | past · do-support | a grown up's brain | brain's muscles |  | REM sleep |  |  | vn convert-26.6.2-1-1 «NP V NP»: agent=Agent muscle=Patient |

<!-- .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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
He would never dream again, because moving muscles stop all dreams

```conllu
# sent_id = question:biology:363-sleep-and-dreams-in-people:t10:o1:1
# text = He would never dream again, because moving muscles stop all dreams
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	never	never	ADV	RB	PronType=Neg	4	advmod	_	_
4	dream	dream	VERB	VB	VerbForm=Inf	0	root	_	_
5	again	again	ADV	RB	_	4	advmod	_	SpaceAfter=No
6	,	,	PUNCT	,	_	10	punct	_	_
7	because	because	SCONJ	IN	_	10	mark	_	_
8	moving	move	VERB	VBG	VerbForm=Ger	9	amod	_	_
9	muscles	muscle	NOUN	NNS	Number=Plur	10	nsubj	_	_
10	stop	stop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
11	all	all	DET	DT	PronType=Tot	12	det	_	_
12	dreams	dream	NOUN	NNS	Number=Plur	10	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **dream** | would | He |  |  |  | again |  | vn cognize-85 «NP V PP.topic»: agent=Agent |
| 2 | **move** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **stop** | present | moving muscles | all dreams |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality dream=Eventuality |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
He might kick, punch or jump out of bed acting out his dreams

```conllu
# sent_id = question:biology:363-sleep-and-dreams-in-people:t10:o2:1
# text = He might kick, punch or jump out of bed acting out his dreams
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	might	might	AUX	MD	VerbForm=Fin	3	aux	_	_
3	kick	kick	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	5	punct	_	_
5	punch	punch	VERB	VB	VerbForm=Inf	3	conj	_	_
6	or	or	CCONJ	CC	_	7	cc	_	_
7	jump	jump	VERB	VB	VerbForm=Inf	3	conj	_	_
8	out	out	ADP	IN	_	10	case	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	bed	bed	NOUN	NN	Number=Sing	7	obl	_	_
11	acting	act	VERB	VBG	Tense=Pres|VerbForm=Part	7	advcl	_	_
12	out	out	ADP	RP	_	11	compound:prt	_	_
13	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
14	dreams	dream	NOUN	NNS	Number=Plur	11	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **kick** | might | He |  |  |  |  |  | vn split-23.2 «NP V apart»: agent=Patient |
| 2 | **punch** | infinitive | He *not said here* |  |  |  |  |  | vn carve-21.2-2 «NP V ADVP-Middle»: agent=Patient |
| 3 | **jump out** | infinitive | He *not said here* | bed |  |  |  |  | vn run-51.3.2-2-1 «NP V NP»: agent=Theme bed=Trajectory |
| 4 | **act out** | gerund | He *not said here* | his dreams |  |  |  |  | vn act-114-1-1 «NP V PP.predicate»: agent=Agent dream=Eventuality |
| 5 | **dream** |  | his *= he* |  |  |  |  |  | nom dream «cognition transitive»: poss=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
He would sleep for a week

```conllu
# sent_id = question:biology:363-sleep-and-dreams-in-people:t10:o3:1
# text = He would sleep for a week
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	sleep	sleep	VERB	VB	VerbForm=Inf	0	root	_	_
4	for	for	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	week	week	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sleep** | would | He |  |  |  | week |  | vn snooze-40.4-1 «NP V»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
He would become a sleepwalker in deep sleep only

```conllu
# sent_id = question:biology:363-sleep-and-dreams-in-people:t10:o4:1
# text = He would become a sleepwalker in deep sleep only
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	become	become	VERB	VB	VerbForm=Inf	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	sleepwalker	sleepwalker	NOUN	NN	Number=Sing	3	xcomp	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	deep	deep	ADJ	JJ	Degree=Pos	8	amod	_	_
8	sleep	sleep	NOUN	NN	Number=Sing	3	obl	_	_
9	only	only	ADV	RB	_	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | would | He | a sleepwalker |  |  |  | in deep sleep *result* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient in sleep=Result |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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