---
title: The body clock, or circadian rhythm, runs on about 24 hours, matchin… — Sleep and the body clock · tree and pragmatics
description: The body clock, or circadian rhythm, runs on about 24 hours, matching one spin of the Earth. Who acts: body clock. A sentence of the lesson «Sleep and the body clock» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Sleep and the body clock, sentence 10

<!-- .ven lang=en -->
The body clock, or circadian rhythm, runs on about 24 hours, matching one spin of the Earth.

<!-- .vintro -->
**Who acts:** body clock · **What happens:** run, match, spin · **To what, where:** one spin, Earth

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This is a sentence of the lesson «Sleep and the body clock» 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 (body clock), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:127-sleep-and-the-body-clock.lesson:10
# text = The body clock, or circadian rhythm, runs on about 24 hours, matching one spin of the Earth.
# source = school lesson (ours)
# course = world
# lesson = 127-sleep-and-the-body-clock.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	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	body	body	NOUN	NN	Number=Sing	3	compound	_	_
3	clock	clock	NOUN	NN	Number=Sing	9	nsubj	_	_
4	,	,	PUNCT	,	_	7	punct	_	_
5	or	or	CCONJ	CC	_	7	cc	_	_
6	circadian	circadian	ADJ	JJ	Degree=Pos	7	amod	_	_
7	rhythm	rhythm	NOUN	NN	Number=Sing	3	conj	_	_
8	,	,	PUNCT	,	_	9	punct	_	_
9	runs	run	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	on	on	ADP	IN	_	13	case	_	_
11	about	about	ADV	RB	_	12	advmod	_	_
12	24	24	NUM	CD	NumForm=Digit|NumType=Card	13	nummod	_	_
13	hours	hour	NOUN	NNS	Number=Plur	9	obl	_	_
14	,	,	PUNCT	,	_	15	punct	_	_
15	matching	match	VERB	VBG	VerbForm=Ger	9	advcl	_	_
16	one	one	NUM	CD	NumForm=Word|NumType=Card	17	nummod	_	_
17	spin	spin	NOUN	NN	Number=Sing	15	obj	_	_
18	of	of	ADP	IN	_	20	case	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	20	det	_	_
20	Earth	Earth	PROPN	NNP	Number=Sing	17	nmod	_	_
21	.	.	PUNCT	.	_	9	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 | **run** | present | the body clock or circadian rhythm |  |  |  | hour |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 2 | **match** | gerund | the body clock or circadian rhythm *not said here* | one spin of the Earth |  |  |  |  | vn amalgamate-22.2-1 «NP V NP»: agent=Agent spin=Patient |
| 3 | **spin** |  |  | the Earth |  |  |  |  | nom spin «event transitive»: of=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.

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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:127-sleep-and-the-body-clock.lesson:10`.

**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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