It’s 4:41 AM here, and I’m bored. Help me think of words or phrases that imply sleep.
E.G.
Doze
Hit the sack
Curl up
Nap
Be visited by the sandman
Nod off
Edit (4:47): Get some shut-eye
Edit (5:08) starting to get light out, better go try and… uhh… you know
Catch some Zzzz’s
These are two words that usually put me to sleep… John Tesh.
But this one, for obvious reasons, does the trick… Yanni…alternate spelling: Yawn-ni. 
I’m currently watching an infomercial for Chef Toni’s (Of miracle blade perfection series fame) ultamate chopper. It’s actually quite exciting. Or maybe thats the sleep deprivation. Must… go… to… bed…
to have a kip,
snooze,
crash out,
slumber,
Doss off.
Get the head down.
Hit the wooden road. (go upstairs to bed)
" Sleep,the death of each days life."
Shakespeare.
Macbeth or Hamlet.I can never remember which!
Slan,
D.
forty winks
checking your eyelids for pinholes
heading to the land of nod
Have a conversation with Mr. Sandman
Hit the hay
Bagging zzz’s
Off to dreamland
From Merriam Webster Online Thesaurus:
Entry Word: sleep
Function: noun
Text: 1 the natural periodic suspension of consciousness during which the powers of the body are restored
Synonyms ||doss, ||shut-eye, slumber; compare DOZE, NAP
Related Word repose, rest; slumberland
Idioms land of Nod, the arms of Morpheus
Contrasted Words wakefulness
2
Synonyms LETHARGY 1, coma, dullness, hebetude, languor, lassitude, slumber, torpidity, torpidness, torpor
3
Synonyms DEATH 1, curtains, decease, defunction, demise, dissolution, (the) Pale Horse, passing, quietus, silence
The use of a Thesaurus could be construed as cheating!
Where is you’re imagination.
Slan,
D.
Going into stand-by mode.
Playing dead.
Churning REMs.
Taking a break from consciousness.
Doing the no-sex horizontal.
recharging the batteries 
cack out
drop off
crash
flop
I know there are more… I’ll think of them later, this is one of my favorite hobbies…
sandpiper 
knock off
Saw logs
Embrace Morpheus
Recharge the Batteries
Produce ‘snoggs’
Dance with the faeries
-Inspecting the eyelids for holes
-Drink the dregs of Lethe’s cup
(Recommended for inducing sleep:
-Winston Churchill’s multivolume book of
“History of the English Speaking Peoples”)
Rip Van Winkle
Barry Manilow
Ah, to sleep; perchance to dream…
Philo
nod off
off to snoresville 
better than hot milk/ horlicks/whiskey-- listen to a Tony Blair speech–did I mention Tony Blai—zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
yours sleepily Pedro 
Listening to John Kerry.
listening to bill clinton