6 REM	sleep
   5 of	the
   5 in	the
   4 during	REM
   3 to	a
   3 the	journal
   3 the	Week
   3 rapid	eye
   3 of	a
   3 brain	patterns
   3 Weird	Animal
   3 Question	of
   3 Photograph	by
   3 National	Geographic
   3 Animal	Question
   2 were	dreaming
   2 to	get
   2 they	were
   2 their	Zzzs
   2 the	maze
   2 the	brain
   2 that	animals
   2 study	published
   2 published	in
   2 out	how
   2 on	Facebook
   2 ngsversion	5bfdfdde
   2 ng	black
   2 map	out
   2 logo	ngsversion
   2 images	during
   2 giant	squid
   2 found	that
   2 eye	movement
   2 during	rapid
   2 by	Chris
   2 black	logo
   2 animals	sleep
   2 animals	dream
   2 according	to
   2 about	the
   2 Scuffins	Ocean
   2 Ocean	Corbis
   2 McNamara	says
   2 It	s
   2 Geographic	magazine
   2 Find	out
   2 Chris	Scuffins
   2 5bfdfdde	png
   1 your	questions
   1 your	definition
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   1 writer	See
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   1 with	the
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   1 with	Saturday
   1 wild	animal
   1 why	we
   1 which	most
   1 which	Unni
   1 whether	big
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   1 what	we
   1 what	part
   1 what	happens
   1 were	watching
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   1 we	do
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   1 walruses	twitching
   1 vision	until
   1 via	email
   1 very	likely
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   1 upside	down
   1 up	The
   1 unusual	and
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   1 uncertain	whether
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   1 twitching	and
   1 tweet	me
   1 to	the
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   1 to	sleep
   1 to	map
   1 to	find
   1 to	disable
   1 to	REM
   1 tiny	fish
   1 through	a
   1 thousand	tiny
   1 though	we
   1 though	they
   1 they	may
   1 they	dreamed
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   1 these	behaviors
   1 there	in
   1 then	go
   1 them	Photograph
   1 their	path
   1 their	heads
   1 their	brains
   1 their	brain
   1 their	backs
   1 the	weird
   1 the	unusual
   1 the	typical
   1 the	squid
   1 the	reason
   1 the	rats
   1 the	ocean
   1 the	mysteries
   1 the	mechanism
   1 the	idea
   1 the	food
   1 the	comments
   1 the	Evolutionary
   1 that	when
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   1 that	physical
   1 that	inhibits
   1 that	includes
   1 that	in
   1 that	giant
   1 term	memory
   1 tell	what
   1 team	altered
   1 taking	a
   1 t	say
   1 swam	away
   1 sure	if
   1 suppose	that
   1 suggesting	they
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   1 study	in
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   1 state	accompanied
   1 standing	up
   1 stalk	prey
   1 squid	with
   1 squid	octopuses
   1 squid	is
   1 squid	had
   1 squid	dream
   1 spot	in
   1 spaces	like
   1 something	like
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   1 slumbering	cats
   1 sleeping	cats
   1 sleep	which
   1 sleep	though
   1 sleep	study
   1 sleep	standing
   1 sleep	scienc
   1 sleep	quiz
   1 sleep	like
   1 sleep	in
   1 sleep	certain
   1 sleep	afterward
   1 sleep	according
   1 sleep	Take
   1 sleep	Spiers
   1 sleep	Photograph
   1 sleep	McNamara
   1 similar	to
   1 similar	they
   1 shown	food
   1 seems	very
   1 seemed	to
   1 seeing	images
   1 see	the
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   1 scientists	compared
   1 scientists	Michael
   1 scienc	e
   1 says	via
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   1 says	Patrick
   1 says	Dream
   1 say	they
   1 say	for
   1 s	uncertain
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   1 s	possible
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   1 s	Weird
   1 running	through
   1 routes	to
   1 reward	In
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   1 reasonable	to
   1 reason	it
   1 rats	were
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   1 rats	are
   1 rats	and
   1 raised	their
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   1 questions	every
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   1 puppies	upside
   1 psychologist	at
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   1 png	https
   1 png	
   1 physical	spaces
   1 photo	in
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   1 patterns	of
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   1 path	to
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   1 out	navigational
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   1 or	REM
   1 opening	sleep
   1 one	fish
   1 on	your
   1 of	why
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   1 of	rats
   1 of	dreaming
   1 of	The
   1 of	Me
   1 of	MIT
   1 octopuses	and
   1 ocean	dreaming
   1 occurs	during
   1 objects	arched
   1 notes	that
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   1 not	be
   1 news	nationalgeographic
   1 neuroscientist	Michel
   1 navigational	routes
   1 nationalgeographic	com
   1 mysteries	of
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   1 movement	REM
   1 mother	cat
   1 most	mammals
   1 might	say
   1 memory	during
   1 mechanism	that
   1 mean	Teamwork
   1 me	on
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   1 me	curious
   1 me	a
   1 me	Weird
   1 maze	with
   1 maze	the
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   1 maybe	that
   1 may	not
   1 mammals	also
   1 magazine	s
   1 magazine	For
   1 made	of
   1 look	at
   1 long	term
   1 likely	see
   1 likely	Hugo
   1 like	what
   1 like	we
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   1 lab	rats
   1 knows	maybe
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   1 kitten	having
   1 just	the
   1 json	Photograph
   1 journal	eLife
   1 journal	PLoS
   1 journal	Neuron
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   1 it	mean
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   1 it	fits
   1 it	all
   1 it	What
   1 is	reasonable
   1 is	out
   1 into	long
   1 interconnectedness	Or
   1 instance	cuttlefish
   1 inhibits	movement
   1 includes	squid
   1 in	their
   1 in	its
   1 in	fights
   1 in	National
   1 in	June
   1 in	2001
   1 in	1959
   1 if	they
   1 idea	that
   1 hugging	a
   1 huge	eye
   1 https	news
   1 html	__________________________________________________________________
   1 how	to
   1 how	bees
   1 his	team
   1 heads	suggesting
   1 having	a
   1 have	something
   1 have	found
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   1 happens	during
   1 had	a
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   1 funny	ways
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   1 food	according
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   1 fits	well
   1 fish	swam
   1 fish	replaced
   1 fish	If
   1 find	out
   1 find	me
   1 fights	View
   1 eye	opening
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   1 eye	made
   1 experimental	psychologist
   1 experience	So
   1 exhibit	a
   1 every	Saturday
   1 even	cuttlefish
   1 encoded	into
   1 email	Find
   1 eLife	You
   1 e	dreaming
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   1 during	deep
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   1 dreaming	about
   1 dreaming	Spiers
   1 dreamed	their
   1 dreamed	of
   1 dream	got
   1 dream	but
   1 dream	While
   1 dream	It
   1 dream	In
   1 down	bats
   1 do	Watch
   1 disable	the
   1 director	of
   1 depends	on
   1 definition	of
   1 deep	sleep
   1 cuttlefish	to
   1 cuttlefish	exhibit
   1 cuttlefish	dream
   1 curious	Can
   1 could	tell
   1 could	it
   1 compared	the
   1 comments	below
   1 com	2015
   1 color	changes
   1 colleagues	have
   1 closer	look
   1 changes	twitching
   1 certain	cells
   1 cephalopods	a
   1 cells	in
   1 cats	were
   1 cats	rats
   1 cats	raised
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   1 cat	hugging
   1 cat	brains
   1 can	t
   1 call	dreams
   1 by	color
   1 by	Masataka
   1 but	it
   1 brains	to
   1 brains	seemed
   1 brains	html
   1 blank	spot
   1 big	animals
   1 below	or
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   1 bees	get
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   1 backs	and
   1 away	the
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   1 at	University
   1 at	Boston
   1 asked	us
   1 as	we
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   1 another	fish
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   1 and	get
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   1 and	even
   1 and	cuttlefish
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   1 and	appeared
   1 and	Kenway
   1 an	experimental
   1 always	sleep
   1 altered	cat
   1 also	experience
   1 all	depends
   1 afterward	Find
   1 accompanied	by
   1 about	me
   1 a	weird
   1 a	thousand
   1 a	study
   1 a	sleep
   1 a	reward
   1 a	question
   1 a	note
   1 a	mother
   1 a	maze
   1 a	kitten
   1 a	huge
   1 a	group
   1 a	giant
   1 a	closer
   1 a	blank
   1 a	bad
   1 a	Little
   1 a	2012
   1 __________________________________________________________________	ng
   1 __________________________________________________________________	json
   1 __________________________________________________________________	PUBLISHED
   1 __________________________________________________________________	By
   1 Zzzs	The
   1 Zzzs	2
   1 You	might
   1 Wilson	and
   1 Why	Do
   1 Who	knows
   1 While	They
   1 Whatever	the
   1 What	could
   1 Were	Sleeping
   1 Week	which
   1 Week	answers
   1 Week	Do
   1 We	Dream
   1 Ways	That
   1 Watch	a
   1 WATCH	Floating
   1 View	Images
   1 Unni	Krishnan
   1 University	McNamara
   1 University	College
   1 To	Ease
   1 They	Were
   1 The	study
   1 The	sleeping
   1 The	scientists
   1 The	Funny
   1 That	Animals
   1 Teamwork	Life
   1 Take	National
   1 Study	Hints
   1 Spiers	says
   1 Spiers	and
   1 Spiers	an
   1 So	it
   1 Sleeping	It
   1 Sleep	WATCH
   1 September	5
   1 See	Why
   1 Scientists	are
   1 Saturday	s
   1 Saturday	If
   1 Recently	I
   1 Reading	__________________________________________________________________
   1 Read	about
   1 Read	__________________________________________________________________
   1 Read	Caption
   1 REM	McNamara
   1 Patrick	McNamara
   1 Painful	Memories
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   1 Or	just
   1 One	study
   1 ONE	Who
   1 Neuron	scientists
   1 Neurobehavior	Laboratory
   1 My	squid
   1 Minute	Read
   1 Michel	Jouvet
   1 Michael	Wilson
   1 Memories	Study
   1 Me	My
   1 McNamara	notes
   1 McNamara	director
   1 Masataka	Komori
   1 MIT	found
   1 Louie	of
   1 London	says
   1 Liz	Langley
   1 Little	Dream
   1 Life	s
   1 Langley	National
   1 Laboratory	at
   1 Krishnan	asked
   1 Komori	Aflo
   1 Kenway	Louie
   1 June	in
   1 Jouvet	and
   1 In	people
   1 In	another
   1 Images	Cats
   1 If	you
   1 If	one
   1 I	dreamed
   1 Hugo	Spiers
   1 Hints	Whatever
   1 Geographic	__________________________________________________________________
   1 Funny	Ways
   1 French	neuroscientist
   1 For	instance
   1 Floating	walruses
   1 Facebook	Do
   1 Facebook	BUTTON
   1 Evolutionary	Neurobehavior
   1 Ease	Painful
   1 Dream	of
   1 Dream	a
   1 Dream	To
   1 Dream	Scientists
   1 Do	animals
   1 Do	We
   1 Do	Animals
   1 Corbis	Weird
   1 Corbis	Read
   1 Corbis	All
   1 Continue	Reading
   1 College	London
   1 Cats	likely
   1 Caption	One
   1 Can	cephalopods
   1 By	Liz
   1 Boston	University
   1 BUTTON	Continue
   1 Animals	Sleep
   1 Animals	Dream
   1 All	of
   1 Aflo	Corbis
   1 5	2015
   1 2015	Recently
   1 2015	09
   1 2012	study
   1 2001	in
   1 2	Minute
   1 1959	French
   1 150905	animals
   1 09	150905