Free illustration materials

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  REM sleep
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  Mother shooting Ohirune art
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  A person who uses a smartphone in a futon (male)
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  Person taking a nap outside (female student)
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  Person who plays games all night (male)
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  Person wearing a room wear (male)
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  Tropical night
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  Memory foam pillow
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  A person who sits in a chair and sleeps (male)
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  Critical-End
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  People who can't get out of the futon because it's cold (female)
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  All night polysomnography
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  Patient sitting on a hospital bed
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  A person (girl) whose smartphone has fallen on his face
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  Patient undergoing blood transfusion
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  Smile at dawn (male)
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  A person sleeping while counting sheep
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  Person using a smartphone in the dark (male)
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  Waking up (sleeping woman)
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  Morning owl
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  Crumpled futon
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  Kotatsu
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  New Year's card (dragon sleeping on the clouds-female) Tatsunen-Zodiac
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  Person with earplugs
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  Various sleeping people
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  Doze prohibited
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  New Year's card (dragon sleeping on the clouds-male) Tatsunen-Zodiac
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  Snoring
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  Boy who got up
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  Boy sleeping

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  Mother waking up a sleeping child
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  Unwell hospitalized grandfather
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  Person taking a nap outside (female student)
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  People who sit relaxed (young people)
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  Person sleeping on his face (male)
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  Sleeping boy
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  Wake up (a woman who wakes up refreshingly)
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  Doze prohibited
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  Doze during the meeting
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  Waking up (male sleeping)
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  Passengers who are noisy about snoring
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  Office worker working sleepy (male)