---
title: Fish rest by slowing down and hovering still; they have no eyelids,… — How animals sleep: half-asleep dolphins, standin… · tree and pragmatics
description: Fish rest by slowing down and hovering still; they have no eyelids, so their eyes stay open, and some parrotfish sleep in a bubble of slime. Who acts: Fish, eyes, parrotfish. A sentence of the lesson «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that na
---

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# How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air, sentence 15

<!-- .ven lang=en -->
Fish rest by slowing down and hovering still; they have no eyelids, so their eyes stay open, and some parrotfish sleep in a bubble of slime.

<!-- .vintro -->
**Who acts:** Fish, eyes, parrotfish · **What happens:** rest, slow down, hover, have, stay, sleep · **To what, where:** eyelids, bubble

<!-- .vabout -->
This is a sentence of the lesson «How animals sleep: half-asleep dolphins, standing horses, short-sleeping giraffes and birds that nap in the air» of the biology 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 (Fish, eyes, parrotfish), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air.lesson:15
# text = Fish rest by slowing down and hovering still; they have no eyelids, so their eyes stay open, and some parrotfish sleep in a bubble of slime.
# source = school lesson (ours)
# course = biology
# lesson = 390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air.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 ×2
1	Fish	Fish	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	rest	rest	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	by	by	SCONJ	IN	_	4	mark	_	_
4	slowing	slow	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	_
5	down	down	ADP	RP	_	4	compound:prt	_	Agree=R7-rel-agree|Haiku=4:advmod|HaikuPos=ADV:RB:_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	hovering	hover	VERB	VBG	Tense=Pres|VerbForm=Part	4	conj	_	_
8	still	still	ADV	RB	_	7	advmod	_	_
9	;	;	PUNCT	,	_	11	punct	_	_
10	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	11	nsubj	_	_
11	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	Agree=R7-rel-agree|Haiku=2:conj
12	no	no	DET	DT	PronType=Neg	13	det	_	_
13	eyelids	eyelid	NOUN	NNS	Number=Plur	11	obj	_	_
14	,	,	PUNCT	,	_	18	punct	_	_
15	so	so	ADV	RB	_	18	advmod	_	_
16	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	17	nmod:poss	_	_
17	eyes	eye	NOUN	NNS	Number=Plur	18	nsubj	_	_
18	stay	stay	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
19	open	open	ADJ	JJ	Degree=Pos	18	xcomp	_	_
20	,	,	PUNCT	,	_	24	punct	_	_
21	and	and	CCONJ	CC	_	24	cc	_	_
22	some	some	DET	DT	PronType=Ind	23	det	_	_
23	parrotfish	parrotfish	NOUN	NNS	Number=Plur	24	nsubj	_	_
24	sleep	sleep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
25	in	in	ADP	IN	_	27	case	_	_
26	a	a	DET	DT	Definite=Ind|PronType=Art	27	det	_	_
27	bubble	bubble	NOUN	NN	Number=Sing	24	obl	_	_
28	of	of	ADP	IN	_	29	case	_	_
29	slime	slime	NOUN	NN	Number=Sing	27	nmod	_	_
30	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **rest** | present | Fish |  |  |  |  |  | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme |
| 2 | **slow down** | gerund | Fish *not said here* |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 3 | **hover** | gerund | Fish *not said here* |  |  |  | still |  | vn modes\_of\_being\_with\_motion-47.3 «NP V»: agent=Theme |
| 4 | **have** | present | Fish | no eyelids |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent eyelid=Patient |
| 5 | **stay** | present | Fish's eyes |  |  |  |  | open *property* | vn exist-47.1 «NP V»: agent=Theme |
| 6 | **sleep** | present | some parrotfish |  |  | a bubble of slime |  |  | vn fit-54.3 «NP V NP PP.location»: agent=Agent in bubble=Location |

<!-- .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:biology:390-how-animals-sleep-half-asleep-dolphins-standing-horses-short-sleeping-giraffes-and-birds-that-nap-in-the-air.lesson:15`.

**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 ×2. **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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