--- title: REM sleep, short for rapid eye movement, is when most vivid dreams h… — Sleep and dreams in people · tree and pragmatics description: REM sleep, short for rapid eye movement, is when most vivid dreams happen, and the brain switches off most muscles so you do not act out your dreams. Who acts: REM sleep, brain, you, your. A sentence of the lesson «Sleep and dreams in people» of the biology course of Mova's primary school with its d --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/363-sleep-and-dreams-in-people/7/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Sleep and dreams in people](https://md.mova.elamur.ai/free/en/corpora/school/biology/363-sleep-and-dreams-in-people/) / 7 # Sleep and dreams in people, sentence 7 REM sleep, short for rapid eye movement, is when most vivid dreams happen, and the brain switches off most muscles so you do not act out your dreams. **Who acts:** REM sleep, brain, you, your · **What happens:** be, switch off, not act out, dream · **To what, where:** most muscles, dreams This is a sentence of the lesson «Sleep and dreams in people» 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 (REM sleep, brain, you, your), what happens, when and where, as Mova's frames read it from the tree. ## The tree {#tree} ```conllu # sent_id = school:biology:363-sleep-and-dreams-in-people.lesson:7 # text = REM sleep, short for rapid eye movement, is when most vivid dreams happen, and the brain switches off most muscles so you do not act out your dreams. # source = school lesson (ours) # course = biology # lesson = 363-sleep-and-dreams-in-people.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): R8-pos-agree ×1 1 REM rem NOUN NN Number=Sing 2 compound _ _ 2 sleep sleep NOUN NN Number=Sing 15 nsubj _ _ 3 , , PUNCT , _ 4 punct _ _ 4 short short ADJ JJ Degree=Pos 2 amod _ _ 5 for for ADP IN _ 8 case _ _ 6 rapid rapid ADJ JJ Degree=Pos 8 amod _ _ 7 eye eye NOUN NN Number=Sing 8 compound _ _ 8 movement movement NOUN NN Number=Sing 4 obl _ _ 9 , , PUNCT , _ 2 punct _ _ 10 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 15 cop _ _ 11 when when ADV WRB PronType=Int 15 advmod _ _ 12 most most ADV RBS Degree=Sup 13 advmod _ _ 13 vivid vivid ADJ JJ Degree=Pos 14 amod _ _ 14 dreams dream NOUN NNS Number=Plur 15 nsubj _ _ 15 happen happen VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 16 , , PUNCT , _ 20 punct _ _ 17 and and CCONJ CC _ 20 cc _ _ 18 the the DET DT Definite=Def|PronType=Art 19 det _ _ 19 brain brain NOUN NN Number=Sing 20 nsubj _ _ 20 switches switch VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 15 conj _ _ 21 off off ADP RP _ 20 compound:prt _ Agree=R8-pos-agree|Haiku=20:compound:prt|HaikuPos=ADP:IN:_ 22 most most ADJ JJS Degree=Sup 23 amod _ _ 23 muscles muscle NOUN NNS Number=Plur 20 obj _ _ 24 so so ADV RB _ 28 advmod _ _ 25 you you PRON PRP Case=Nom|Person=2|PronType=Prs 28 nsubj _ _ 26 do do AUX VBP Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin 28 aux _ _ 27 not not PART RB Polarity=Neg 28 advmod _ _ 28 act act VERB VB VerbForm=Inf 20 advcl _ _ 29 out out ADP RP _ 28 compound:prt _ _ 30 your your PRON PRP$ Case=Gen|Person=2|Poss=Yes|PronType=Prs 31 nmod:poss _ _ 31 dreams dream NOUN NNS Number=Plur 28 obj _ _ 32 . . PUNCT . _ 15 punct _ _ ``` ## Pragmatics {#pragmatics} No stored speech act for this sentence. | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | REM sleep | | | | | happen *property* | tree rules | | 2 | **switch off** | present | the brain | most muscles | | | | | vn convert-26.6.2-1-1 «NP V NP»: agent=Agent muscle=Patient | | 3 | **not** **act out** | present · do-support | you | your dreams | | | | | vn act-114-1-1 «NP V PP.predicate»: agent=Agent dream=Eventuality | | 4 | **dream** | | your | | | | | | nom dream «cognition transitive»: poss=agent | 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. **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:363-sleep-and-dreams-in-people.lesson:7`. **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): R8-pos-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/). - ← previous: [Sleep and dreams in people, 5](https://md.mova.elamur.ai/free/en/corpora/school/biology/363-sleep-and-dreams-in-people/5/) - next →: [Sleep and dreams in people, 8](https://md.mova.elamur.ai/free/en/corpora/school/biology/363-sleep-and-dreams-in-people/8/) - ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/363-sleep-and-dreams-in-people/)