ADJ

deep
light
REM

VERB + SLEEP

drift into/off to, drop off to, get to, go (back) to
cry/sob yourself to
get, sleep, snatch
Close your eyes and get some sleep now. Tom was in the front room sleeping the sleep of the dead. I snatched a few hours' sleep in the afternoon
need
survive on
They seem to survive on only a few hours' sleep a night
induce, lull/send sb to
using drugs to induce sleep The quiet music soon sent her to sleep
drift in and out of
He drifted in and out of sleep all night
lose
Don't lose sleep over it?we'll sort everything out in the morning
disrupt
catch up on
I used Saturday to catch up on my sleep
feign
I feigned sleep when the ticket inspector came round

SLEEP + VERB

come
Sleep came to her in snatches
overcome sb, overtake sb
Sleep finally overtook me

SLEEP + NOUN

pattern
deprivation, loss
apnoea

PREP

during ~
your heart rate during sleep
in your ~
He often walks and talks in his sleep

PHRASES

a lack of sleep
suffering from a lack of sleep
a wink of sleep
I won't get a wink of sleep with that noise downstairs

ADJ

long
little, short
dead, deep, heavy, sound
good, restful
light
disturbed, exhausted, fitful, restless, uneasy
I woke up early after a disturbed sleep
dreamless, peaceful
drunken
beauty
Sorry but I need my beauty sleep

VERB + SLEEP

need
have
Did you have a good sleep?
be in
I was in a deep sleep when the phone rang
drift into, fall into, sink into
I immediately fell into a dead sleep
awake/awaken/wake (sb) from
He woke from a fitful sleep with a headache

PHRASES

a (good/poor) night's sleep
You'll feel better after a good night's sleep