Schlaf
Schlaf in 30 Seconds
- Noun meaning 'sleep' or 'slumber'.
- Masculine gender: der Schlaf.
- Often paired with adjectives like 'tief' (deep).
- Forms many compounds like 'Schlafzimmer'.
- Linguistic Classification
- Noun, masculine (der Schlaf). Genitive: des Schlafes/Schlafs. Plural: rarely used, but technically 'die Schläfe' (not to be confused with the anatomical temples).
Ich brauche heute Nacht wirklich tiefen und festen Schlaf.
- Etymology
- Derived from Middle High German 'slāf' and Old High German 'slāf', sharing roots with the English word 'sleep' and Dutch 'slaap'.
Der Schlaf der Gerechten ist tief und friedlich.
- Compound Usage
- Schlaf acts as a prefix in numerous everyday objects and concepts related to resting.
Mein Schlaf wurde durch ein lautes Geräusch gestört.
Ein gesunder Schlaf ist wichtig für die Gesundheit.
Er fiel in einen tiefen Schlaf.
- Common Verbs
- Schlaf is frequently used with verbs like 'brauchen' (to need), 'finden' (to find), 'stören' (to disturb), and 'rauben' (to rob/deprive).
Der Lärm hat mir den Schlaf geraubt.
- Prepositions
- Common prepositions include 'im' (in the) as in 'im Schlaf' (in one's sleep), and 'vor' (before) as in 'vor dem Schlaf' (before sleep).
Er spricht oft im Schlaf.
- Adjective Pairings
- Use adjectives like 'tief' (deep), 'leicht' (light), 'ausreichend' (sufficient), and 'erholsam' (restful) to describe the quality of Schlaf.
Ich wünsche dir einen erholsamen Schlaf.
Nach dem langen Flug brauchte sie dringend Schlaf.
Sein Schlaf ist sehr leicht; er wacht bei jedem Geräusch auf.
- Medical Context
- Doctors and therapists frequently use 'Schlaf' when discussing health, emphasizing its importance for physical and mental recovery.
Der Arzt sagte, dass mein Schlaf durch Stress gestört wird.
- Parenting Context
- Parents constantly talk about 'Schlaf' regarding their babies and children, discussing nap times and nighttime routines.
Das Baby braucht seinen Schlaf, bitte sei leise.
- Media and Advertising
- Mattress commercials and wellness apps frequently use the word to promote better rest and healthier lifestyles.
Diese Matratze garantiert Ihnen einen perfekten Schlaf.
Ein kurzer Schlaf am Mittag gibt neue Energie.
Er redet im Schlaf über seine Arbeit.
- Noun vs. Verb Confusion
- Learners sometimes use the noun 'Schlaf' when they should use the verb 'schlafen', or vice versa.
Falsch: Ich will Schlaf gehen. Richtig: Ich will schlafen gehen.
- Prepositional Errors
- Translating 'in my sleep' directly from English can lead to mistakes. In German, it is 'im Schlaf', not 'in meinem Schlaf'.
Er kann dieses Lied im Schlaf singen.
- Pluralization
- Attempting to pluralize 'Schlaf' is a mistake. Like 'sleep' in English, it is generally an uncountable noun in everyday usage.
Wir hatten gestern alle einen guten Schlaf (not: gute Schläfe).
Mein Schlaf war heute sehr kurz.
Ich wünsche dir einen tiefen Schlaf.
- Nickerchen vs. Schlaf
- Nickerchen is a diminutive, casual term for a brief sleep, whereas Schlaf is the formal, general term for the state of sleeping.
Nach dem Mittagessen mache ich gerne ein kurzes Nickerchen, aber nachts brauche ich meinen tiefen Schlaf.
- Ruhe vs. Schlaf
- Ruhe is conscious relaxation or silence; Schlaf is unconscious rest.
Ich brauche etwas Ruhe, bevor ich in den Schlaf finde.
- Schlummer
- A literary or gentle term for light sleep, less common in everyday spoken German than Schlaf.
Das Kind fiel in einen sanften Schlummer, der bald zu tiefem Schlaf wurde.
Der Traumstadium ist ein wichtiger Teil des Schlafs.
Ohne ausreichenden Schlaf kann man sich nicht konzentrieren.
How Formal Is It?
Difficulty Rating
Grammar to Know
Capitalization of nouns
Masculine noun declension
Prepositions with the dative case (im Schlaf)
Compound noun formation
Examples by Level
Ich brauche Schlaf.
I need sleep.
Basic subject-verb-object structure using the noun in the accusative case (though it looks identical to nominative here).
Der Schlaf ist gut.
The sleep is good.
Using the noun as the subject in the nominative case.
Wo ist das Schlafzimmer?
Where is the bedroom?
Introduction of a common compound noun containing 'Schlaf'.
Ich habe keinen Schlaf.
I have no sleep.
Using the negative article 'keinen' with the masculine noun in the accusative.
Mein Schlaf ist wichtig.
My sleep is important.
Using the possessive pronoun 'mein' in the nominative case.
Das Baby braucht Schlaf.
The baby needs sleep.
Third-person singular verb 'braucht' with the noun.
Guter Schlaf ist gesund.
Good sleep is healthy.
Adjective 'guter' with strong inflection (no article).
Ich liebe den Schlaf.
I love sleep.
Definite article 'den' showing the accusative masculine case.
Ich hatte gestern einen sehr tiefen Schlaf.
I had a very deep sleep yesterday.
Accusative case with indefinite article 'einen' and adjective 'tiefen'.
Zu wenig Schlaf ist schlecht für dich.
Too little sleep is bad for you.
Using 'zu wenig' to quantify the uncountable noun.
Mein Schlaf war heute Nacht sehr unruhig.
My sleep was very restless tonight.
Past tense 'war' describing the quality of the noun.
Er redet manchmal im Schlaf.
He sometimes talks in his sleep.
Contraction 'im' (in dem) showing dative case.
Ein gesunder Schlaf gibt dir viel Energie.
A healthy sleep gives you a lot of energy.
Nominative case with indefinite article 'ein' and adjective 'gesunder'.
Ich trinke Tee für einen besseren Schlaf.
I drink tea for a better sleep.
Preposition 'für' requiring the accusative case.
Der Lärm stört meinen Schlaf.
The noise disturbs my sleep.
Verb 'stören' taking a direct object in the accusative.
Nach der Arbeit brauche ich sofort Schlaf.
After work, I need sleep immediately.
Adverb 'sofort' modifying the need for the noun.
Schlafmangel kann zu ernsthaften gesundheitlichen Problemen führen.
Lack of sleep can lead to serious health problems.
Use of the compound noun 'Schlafmangel' as the subject.
Es fällt mir schwer, abends in den Schlaf zu finden.
It is difficult for me to fall asleep in the evening.
Idiomatic phrase 'in den Schlaf finden' with an infinitive clause.
Während des Schlafes erholt sich der Körper.
During sleep, the body recovers.
Preposition 'während' requiring the genitive case 'des Schlafes'.
Sie hat einen sehr leichten Schlaf und wacht bei jedem Geräusch auf.
She has a very light sleep and wakes up at every sound.
Descriptive phrase 'leichten Schlaf' coupled with a separable verb 'aufwachen'.
Ein regelmäßiger Schlafrhythmus ist wichtig für die Konzentration.
A regular sleep rhythm is important for concentration.
Compound noun 'Schlafrhythmus' used in a complex sentence.
Ich habe die ganze Nacht keinen ruhigen Schlaf gefunden.
I didn't find any peaceful sleep the whole night.
Perfect tense 'habe... gefunden' with accusative object.
Die Sorgen um die Prüfung haben ihm den Schlaf geraubt.
The worries about the exam robbed him of his sleep.
Idiom 'jemandem den Schlaf rauben' in the perfect tense.
Manche Menschen brauchen nur sechs Stunden Schlaf pro Nacht.
Some people only need six hours of sleep per night.
Quantifying the noun with 'Stunden' (hours).
Die ständige Erreichbarkeit durch Smartphones beeinträchtigt unseren Schlaf massiv.
The constant availability through smartphones massively impairs our sleep.
Advanced vocabulary 'beeinträchtigt' with accusative object.
Er behauptet, er könne diese komplexe Aufgabe quasi im Schlaf erledigen.
He claims he could do this complex task practically in his sleep.
Idiom 'im Schlaf erledigen' used with Konjunktiv I 'könne' for reported speech.
Trotz extremer Müdigkeit glitt sie nur in einen unruhigen Halbschlaf.
Despite extreme tiredness, she only slipped into a restless half-sleep.
Preposition 'trotz' with genitive, and compound 'Halbschlaf'.
Die Erforschung der verschiedenen Schlafphasen hat in den letzten Jahren große Fortschritte gemacht.
The research of the different sleep phases has made great progress in recent years.
Genitive plural compound 'der verschiedenen Schlafphasen'.
Chronischer Schlafmangel wird oft als Ursache für Burnout unterschätzt.
Chronic lack of sleep is often underestimated as a cause for burnout.
Passive voice 'wird... unterschätzt' with the subject 'Schlafmangel'.
Ein Mittagsschlaf von zwanzig Minuten kann die Leistungsfähigkeit deutlich steigern.
A midday nap of twenty minutes can significantly increase performance.
Compound 'Mittagsschlaf' acting as the subject of a modal verb clause.
Sie leidet unter einer Schlafstörung, die medikamentös behandelt werden muss.
She suffers from a sleep disorder that must be treated with medication.
Preposition 'unter' with dative, followed by a relative clause with passive infinitive.
Der tiefe, traumlose Schlaf gilt als die erholsamste Phase der Nacht.
Deep, dreamless sleep is considered the most restful phase of the night.
Multiple adjectives modifying the noun, used with the verb 'gelten als'.
Die physiologischen Mechanismen, die den Schlaf-Wach-Rhythmus regulieren, sind hochkomplex.
The physiological mechanisms that regulate the sleep-wake rhythm are highly complex.
Scientific compound 'Schlaf-Wach-Rhythmus' in a relative clause.
In der romantischen Literatur wird der Schlaf oft als Bruder des Todes metaphorisiert.
In romantic literature, sleep is often metaphorized as the brother of death.
Passive construction with advanced literary vocabulary.
Die durch den Jetlag induzierte Schlaftrunkenheit hielt den ganzen Vormittag an.
The sleep drunkenness induced by jet lag lasted the entire morning.
Extended participial attribute 'durch den Jetlag induzierte' modifying 'Schlaftrunkenheit'.
Es ist ein Trugschluss zu glauben, entgangener Schlaf ließe sich am Wochenende vollständig nachholen.
It is a fallacy to believe that lost sleep could be completely caught up on the weekend.
Konjunktiv II 'ließe sich' in a subordinate clause without 'dass'.
Die Schlafhygiene umfasst sämtliche Verhaltensweisen, die einen gesunden Schlaf fördern.
Sleep hygiene encompasses all behaviors that promote healthy sleep.
Technical term 'Schlafhygiene' and formal vocabulary 'umfasst sämtliche'.
Seine Ausführungen waren derart monoton, dass sie geradezu einschläfernd wirkten und den Zuhörern den Schlaf in die Augen trieben.
His explanations were so monotonous that they had an almost soporific effect and drove sleep into the listeners' eyes.
Idiomatic expression 'den Schlaf in die Augen treiben' in a consecutive clause.
Die REM-Schlafphase ist durch rasche Augenbewegungen und eine hohe Gehirnaktivität gekennzeichnet.
The REM sleep phase is characterized by rapid eye movements and high brain activity.
Medical terminology and passive construction 'ist... gekennzeichnet'.
Ein adäquates Schlafpensum ist unabdingbar für die kognitive Restitution.
An adequate amount of sleep is indispensable for cognitive restitution.
Highly academic vocabulary 'Schlafpensum', 'unabdingbar', 'Restitution'.
Die Ontogenese des Schlafes offenbart signifikante altersspezifische Verschiebungen in der Architektur der Schlafstadien.
The ontogeny of sleep reveals significant age-specific shifts in the architecture of sleep stages.
Highly specialized scientific terminology and complex genitive structures.
Dass der Schlaf der Vernunft Ungeheuer gebiert, wusste schon Goya treffend bildlich darzustellen.
That the sleep of reason produces monsters, Goya already knew how to aptly depict visually.
Cultural/artistic reference using a 'dass'-clause as the object of 'wusste darzustellen'.
In der Schlafforschung wird zunehmend die reziproke Interaktion zwischen Immunologie und Schlafregulation beleuchtet.
In sleep research, the reciprocal interaction between immunology and sleep regulation is increasingly being illuminated.
Academic passive construction with specialized compound nouns.
Er verfiel in einen komatösen Schlaf, aus dem ihn auch die vehementesten Weckversuche nicht zu reißen vermochten.
He fell into a comatose sleep, from which even the most vehement attempts to wake him could not tear him.
Elevated literary style using 'vermochten' and a complex relative clause.
Die ubiquitäre Lichtverschmutzung konterkariert die natürliche Melatoninausschüttung und sabotiert somit den zirkadianen Schlaf-Wach-Zyklus.
Ubiquitous light pollution counteracts natural melatonin secretion and thus sabotages the circadian sleep-wake cycle.
Sophisticated vocabulary ('ubiquitär', 'konterkariert', 'zirkadian') in a dense sentence.
Man darf die somnambulen Phänomene nicht als bloße Kuriositäten abtun; sie gewähren tiefe Einblicke in die Dissoziation von Schlaf und Bewusstsein.
One must not dismiss somnambulistic phenomena as mere curiosities; they provide deep insights into the dissociation of sleep and consciousness.
Use of 'somnambul' (sleepwalking) and abstract philosophical concepts.
Die Poesie der Romantik stilisiert den Schlaf oft zur liminalen Sphäre zwischen irdischem Dasein und transzendenter Erkenntnis.
Romantic poetry often stylizes sleep as the liminal sphere between earthly existence and transcendent realization.
Literary analysis vocabulary ('stilisiert', 'liminal', 'transzendent').
Eine profunde Analyse der Schlafnarrative in Kafkas Werk offenbart die existentielle Bedrohung, die dem scheinbar friedvollen Ruhezustand immanent ist.
A profound analysis of the sleep narratives in Kafka's work reveals the existential threat inherent in the seemingly peaceful state of rest.
Advanced literary critique using 'Schlafnarrative' and 'immanent'.
Synonyms
Antonyms
Common Collocations
Common Phrases
Often Confused With
Idioms & Expressions
Easily Confused
Sentence Patterns
How to Use It
Implies the state of resting, not the act of going to bed.
Neutral, appropriate for all settings.
Universally understood across all German-speaking regions.
- Writing 'schlaf' with a lowercase 's' when used as a noun.
- Using the wrong gender, such as 'das Schlaf'.
- Trying to make it plural (die Schläfe) in everyday conversation.
- Confusing 'Schlaf' (noun) with 'schlafen' (verb) in sentence structure.
- Saying 'in meinem Schlaf' to mean doing something easily.
Tips
Capitalization is Key
Never forget to capitalize 'Schlaf'. As a noun, it follows the strict German rule of noun capitalization. Writing 'schlaf' with a lowercase 's' is only correct if it's the imperative form of the verb (e.g., 'Schlaf gut!').
Master the Compounds
Learn 'Schlaf' as a building block. Once you know it, words like 'Schlafmangel' (lack of sleep), 'Schlafmittel' (sleeping pill), and 'Schlafanzug' (pajamas) become much easier to understand and remember.
Expressing Need
Use 'Ich brauche Schlaf' instead of trying to translate 'I need to sleep' literally. While 'Ich muss schlafen' is correct, using the noun 'Schlaf' sounds very natural when expressing exhaustion.
The 'In My Sleep' Idiom
If you want to brag about how easy a task is for you, use 'Das kann ich im Schlaf!'. It perfectly mirrors the English phrase 'I can do that in my sleep' and will impress native speakers.
Long 'A' Sound
Make sure to pronounce the 'a' in 'Schlaf' as a long vowel. It sounds like the 'a' in 'father', not a short, clipped sound. A short 'a' might make it sound like 'Schlaff' (flabby/limp).
Tief und Fest
When wishing someone a good night's rest, or describing one, use the adjectives 'tief' (deep) and 'fest' (firm/sound). 'Ein tiefer und fester Schlaf' is the gold standard of resting in German.
Avoid Pluralizing
Do not try to use 'Schlaf' in the plural. If you want to talk about multiple instances of sleeping, use a different phrasing, like 'viele Nächte mit gutem Schlaf' (many nights with good sleep).
Schlafenszeit
Understand that 'Schlafenszeit' (bedtime) is a strict concept in many German households, especially for children. Respecting quiet hours (Ruhezeit) is also legally and culturally important to protect everyone's 'Schlaf'.
Vor and Nach
Use 'vor dem Schlaf' for things you do before bed, and 'nach dem Schlaf' for things after waking up. Remember that 'vor' and 'nach' take the dative case here (dem).
When to use Nickerchen
Reserve 'Schlaf' for your main nighttime rest. If you are just closing your eyes for 20 minutes on the sofa, call it a 'Nickerchen' (nap) to be more precise.
Memorize It
Mnemonic
Think of a SHEEP LAUGHing (Sch-laf) to help you fall aSLEEP.
Word Origin
Middle High German 'slāf', Old High German 'slāf'.
Cultural Context
It is polite to wish someone 'Gute Nacht' or 'Schlaf gut' before they go to bed.
In southern Germany and Austria, you might hear 'Schläfchen' more often for a nap.
German Romanticism heavily romanticized 'Schlaf' and dreams as a gateway to the subconscious.
Practice in Real Life
Real-World Contexts
Conversation Starters
"Hattest du heute Nacht einen guten Schlaf?"
"Wie viel Schlaf brauchst du normalerweise?"
"Was machst du, wenn du keinen Schlaf finden kannst?"
"Glaubst du, dass ein Mittagsschlaf gesund ist?"
"Stört dich Lärm beim Schlaf?"
Journal Prompts
Beschreibe deinen perfekten Schlaf.
Warum ist Schlaf wichtig für dich?
Was stört deinen Schlaf am meisten?
Schreibe über eine Nacht, in der du keinen Schlaf gefunden hast.
Wie verändert sich dein Tag, wenn du zu wenig Schlaf hast?
Frequently Asked Questions
10 questions'Schlaf' is a noun, meaning 'sleep'. The verb form is 'schlafen' (to sleep). Because it is a noun, 'Schlaf' must always be capitalized in German. You use it when talking about the state or amount of rest, like 'Ich brauche Schlaf'.
'Schlaf' is a masculine noun. Therefore, it uses the article 'der' in the nominative case (der Schlaf). In the accusative case, it becomes 'den Schlaf', and in the dative case, 'dem Schlaf'.
You say 'Ich brauche Schlaf'. If you want to specify that you need a lot of sleep, you can say 'Ich brauche viel Schlaf'. The verb 'brauchen' (to need) takes the accusative case, but since 'Schlaf' has no article here, it remains unchanged.
The plural of 'Schlaf' is technically 'die Schläfe', but it is almost never used. Like the English word 'sleep', it is generally treated as an uncountable noun. You talk about 'viel Schlaf' (much sleep) rather than 'viele Schläfe' (many sleeps).
'Im Schlaf' literally translates to 'in the sleep'. It is used to say that someone does something while sleeping, like 'Er spricht im Schlaf' (He talks in his sleep). It is also an idiom meaning you can do something very easily, like 'I can do it in my sleep'.
'Schlaf' is often used as a prefix to form compound nouns related to sleeping. You simply attach it to another noun. For example, 'Schlaf' + 'Zimmer' (room) becomes 'Schlafzimmer' (bedroom). The gender of the new word is determined by the last word.
'Schlaf' is the general term for sleep, usually referring to the long rest you take at night. 'Nickerchen' is a diminutive term that specifically means a short nap, usually taken during the day. You would say 'Ich mache ein Nickerchen' for a quick snooze.
Yes, you can use possessive pronouns with 'Schlaf'. 'Mein Schlaf' means 'my sleep'. For example, 'Mein Schlaf war unruhig' means 'My sleep was restless'. This is common when discussing the quality of your own rest.
Common adjectives used to describe 'Schlaf' include 'tief' (deep), 'fest' (sound/firm), 'leicht' (light), 'unruhig' (restless), and 'gesund' (healthy). For example, 'Ich wünsche dir einen tiefen Schlaf' (I wish you a deep sleep).
This is a common idiom that translates to 'to rob someone of their sleep'. It means that something is keeping you awake, usually because you are worrying about it. For example, 'Die Prüfung raubt mir den Schlaf' (The exam is keeping me awake).
Test Yourself 200 questions
Write a sentence saying you need more sleep.
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Translate to German: 'My sleep was very deep.'
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Write a sentence using the word 'Schlafzimmer'.
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Describe a time you had 'Schlafmangel' in one German sentence.
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Write a sentence wishing someone a good sleep.
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Translate: 'The noise disturbs my sleep.'
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Write a sentence using 'im Schlaf'.
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Form a compound noun with Schlaf and write a sentence with it.
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Translate: 'He talks in his sleep.'
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Write a sentence explaining why sleep is important.
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Use the adjective 'unruhig' with Schlaf in a sentence.
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Write a sentence about a baby needing sleep.
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Translate: 'I drink tea for better sleep.'
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Write a sentence using the idiom 'den Schlaf rauben'.
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Describe your perfect 'Schlaf' in one sentence.
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Write a sentence using 'Mittagsschlaf'.
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Translate: 'Too little sleep is bad.'
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Write a sentence using 'Schlafanzug'.
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Write a sentence in the past tense about your sleep last night.
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Translate: 'I can do this in my sleep.'
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Why is the person tired?
Why should you be quiet?
What room is being described?
How well does he know the song?
What is dangerous for the person's heart?
What is the person putting on?
What robbed the person of their sleep?
What helps the person work better in the afternoon?
What kind of sleep does she have?
What does the tea provide?
What is described as a serious illness?
What was too thin?
What did he need to catch up on?
When does the brain process information?
What is the person wishing?
/ 200 correct
Perfect score!
Summary
The noun 'Schlaf' (der Schlaf) is essential for discussing rest and health in German. Remember it is capitalized, unlike the verb 'schlafen'. Example: 'Ich brauche mehr Schlaf' (I need more sleep).
- Noun meaning 'sleep' or 'slumber'.
- Masculine gender: der Schlaf.
- Often paired with adjectives like 'tief' (deep).
- Forms many compounds like 'Schlafzimmer'.
Capitalization is Key
Never forget to capitalize 'Schlaf'. As a noun, it follows the strict German rule of noun capitalization. Writing 'schlaf' with a lowercase 's' is only correct if it's the imperative form of the verb (e.g., 'Schlaf gut!').
Master the Compounds
Learn 'Schlaf' as a building block. Once you know it, words like 'Schlafmangel' (lack of sleep), 'Schlafmittel' (sleeping pill), and 'Schlafanzug' (pajamas) become much easier to understand and remember.
Expressing Need
Use 'Ich brauche Schlaf' instead of trying to translate 'I need to sleep' literally. While 'Ich muss schlafen' is correct, using the noun 'Schlaf' sounds very natural when expressing exhaustion.
The 'In My Sleep' Idiom
If you want to brag about how easy a task is for you, use 'Das kann ich im Schlaf!'. It perfectly mirrors the English phrase 'I can do that in my sleep' and will impress native speakers.
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