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Sleep

Sleep is a naturally recurring state of mind and body, characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings. It is distinguished from wakefulness by a decreased ability to react to stimuli, but is more easily reversed than the state of being comatose. Sleep occurs in repeating periods, in which the body alternates between two distinct modes: REM sleep and non-REM sleep. Although REM stands for "rapid eye movement", this mode of sleep has many other aspects, including virtual paralysis of the body. A well-known feature of sleep is the dream, an experience typically recounted in narrative form, which resembles waking life while in progress, but which usually can later be distinguished as fantasy. During sleep, most of the body's systems are in an anabolic state, helping to restore the immune, nervous, skeletal, and muscular systems; these are vital processes that maintain mood, memory, and cognitive function, and play a large role in the function of the endocrine and immune systems. The internal circadian clock promotes sleep daily at night. The diverse purposes and mechanisms of sleep are the subject of substantial ongoing research. Humans may suffer from various sleep disorders, including dyssomnias such as insomnia, hypersomnia, narcolepsy, and sleep apnea; parasomnias such as sleepwalking and REM behavior disorder; bruxism; and circadian rhythm sleep disorders. The advent of artificial light has substantially altered sleep timing in industrialized countries.
He is sleeping again. - Cats sleep for hours on the day.
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He is sleeping again.

Added month ago by Mila

45

lovely animals - comfortable position of the cat
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lovely animals

Added 3 months ago by Basiunia

25

A lone sailor - colorful jigsaw puzzle
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A lone sailor

Added year ago by andi

46

sleepy woman - The alarm clock is ringing time to get up
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sleepy woman

Added year ago by stachna

21

Dreamcatcher - the picture shows a dream catcher
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Dreamcatcher

Added year ago by Lil

14

greenish - thfhdh dhfshdfhfjdjhxfjmf
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greenish

Added year ago by Kate

7

your baby - he sleeps sweetly and he dreams for sure
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your baby

Added year ago by Hala

27

Elena Gilbert - Elena Gilbert główna bohaterka serialu. Została przemieniona przez krew Damona. Elena jest miła,
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Elena Gilbert

Added year ago by pomidorowa

17

przysłowie - mężczyzna leży i marzy
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przysłowie

Added year ago by Bożenka

20

Caroline Forbes - Isabella Marie Swan Cullen i Edward Anthony Masen Cullen są głównym Para całej Sagi Zmierzch . S
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Caroline Forbes

Added over a year ago by miła1

19

Fabian kuzyn - Mój Kuzyn Fabian w domku
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Fabian kuzyn

Added over a year ago by Dawid

25

bliźniaczki - jeden ma smoczek a drugi palec
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bliźniaczki

Added over a year ago by Bogna

41

Dziewczyna z anime - Ładna śpiąca dziewczyna
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Dziewczyna z anime

Added over a year ago by Weronika

2

niemowlak - zabawa w żółwia, na czworaka
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niemowlak

Added over a year ago by Bogna

11

mała dziewczynka - przytula laleczkę ulubioną
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mała dziewczynka

Added over a year ago by Wiesław

17

Dziewczyna z anime - Ładna dziewczyna z anime
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Dziewczyna z anime

Added over a year ago by Weronika

1

Manga Anime - Ładny śpiący chłopak z jasnymi włosami
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Manga Anime

Added over a year ago by Weronika

0

Violetta Castillo - Violetta Castillo (Martina Stoessel) – Violetta to bardzo utalentowana nastolatka, wychowująca si
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Violetta Castillo

Added over a year ago by Kamcia2

15

mój pies - Wymarzony pies który jest piękny uwielbia sie bawić
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mój pies

Added over a year ago by Natalia Ngo

7

bobase i misio - w łóżeczku leży bobasek
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bobase i misio

Added over a year ago by Halinka

59

śpiący kotek - w łóżeczku kotek śpi smacznie
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śpiący kotek

Added over a year ago by Basieńka

54 1

dziecko na hamaku - małe dziecko śpi na hamaku
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dziecko na hamaku

Added over a year ago by ZOSIA

21

Czarodziejki - Charmed, Czarodziejki
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Czarodziejki

Added over a year ago by Julia

20

Dziewczyna z anime - Ładna dziewczyna z anime
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Dziewczyna z anime

Added over a year ago by Weronika

9

Nazwa jest za krótka - Opis też jest za krótki
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Nazwa jest za krótka

Added over a year ago by Krótki

53

Wspaniałe Ciało - Puzzle firmowe Puzzle firmowe Puzzle firmowe Puzzle firmowe Puzzle firmowe Puzzle firmowe Puzzle fir
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Wspaniałe Ciało

Added over a year ago by wspanialecialo.pl

21

julek betlej - Julek zapatrzony. puzzle oryginalne.
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julek betlej

Added over a year ago by Kinga

4

śpiąca księżniczka - jestem śliczna prawda.
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śpiąca księżniczka

Added over a year ago by rodzinka

54

kasia mularczyk - kasia z m jak miłość
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kasia mularczyk

Added over a year ago by Kasia mularczyk

106

marichuy velarte - marichuy z Nie igraj z aniołem
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marichuy velarte

Added over a year ago by Kasia i marcin

108

Sleeping Cat - Cute cute cute cute :D
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Sleeping Cat

Added over a year ago by Meows

336

Kasieńka - moja kochana córeczka
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Kasieńka

Added over a year ago by Aneta

9

In to sleep! - Patrzyłabym i macała też Q.Q
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In to sleep!

Added over a year ago by Shirozaki

1

Śpiący noworodek - Sesja zdjęciowa dla dzieci
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Śpiący noworodek

Added over a year ago by Iwona

40