sleep's examples

  • News on Sleep continually updated from thousands of sources around the net. — “Sleep News - Topix”,
  • A variety of medical disorders can be disruptive to our sleep. These may include: snoring, sleep apnea, insomnia, narcolepsy, parasomnias, circadian rhythm disorders including jet lag, restless legs syndrome, and many others. Learn what these. — “Sleep - Sleep, Sleep Disorders, Insomnia, Sleep Apnea”,
  • People with obstructive sleep apnea (OSA), a sleep disorder associated with obesity, have more non-calcified or "bad" plaque in their coronary arteries, according to a study presented today at the annual meeting of the Radiological Society of. — “People with sleep apnea at higher risk for aggressive heart”,
  • After a night of tossing and turning, the next day is exhausting — and seemingly endless. Sleep specialists say you can feel a bit better, and improve your odds of a good sleep the next night, with these steps:. — “Improve your odds for a good night's sleep | Healthy Living”,
  • Sleep is the regular state of natural rest observed in all mammals, birds and fish. Sleep is not actually "unconsciousness," but rather, it is a natural state of rest characterized by a reduction in voluntary body movement and decreased. — “Sleep - Psychology Wiki”,
  • Find Sleep Products and Get Sleep Tips at , your resource for everything sleep. Rest better with our sleep products, reviews, info and tips. — “ | Sleep Products | Tips to Get Better Sleep”,
  • news, Sleep-isn't-getting-the-respect-it-deserves-and-needs.- Increasingly,-sleep-is-losing-ground-to-maxed-out-schedules,-mounting-stress-and. — “Know the symptoms of sleep deprivation - Herald News”,
  • Official journal of the American Academy of Sleep Medicine and the Sleep Research Society. — “Sleep”,
  • Nonprofit organization supporting public education, sleep-related research and advocacy related to sleep disorders such as insomnia, apnea, narcolepsy, and excessive daytime sleepiness. — “National Sleep Foundation”,
  • Sleep Disorders. URL of this page: Is it hard for you to fall asleep or stay asleep though the night? Do you wake up feeling tired or feel very sleepy during the day, even if you have had enough sleep? You might have a sleep disorder. — “Sleep Disorders - MedlinePlus”,
  • Sleep is a naturally recurring state characterized by reduced or lacking consciousness, Sleep is a heightened anabolic state, accentuating the growth and rejuvenation of the. — “Sleep - Wikipedia, the free encyclopedia”,
  • The latest sleep, sleep disorders, insomnia news headlines published daily. — “Sleep News & Sleep Disorders News & Insomnia News from”,
  • Varying your sleeping times by more than an hour can severely disrupt your sleep quality by "advancing the sleep phase" If, on the weekend, you sleep in until 9 a.m., you probably won't be able to fall asleep. — “How to Sleep Better - wikiHow”,
  • Sleep HealthCenters to Manage Sleep Wellness Program for Gordon Trucking. According to the National Sleep Foundation (NSF), it is estimated that insomnia, obstructive sleep apnea (OSA), narcolepsy, excessive daytime sleepiness and restless legs syndrome plague an estimated 40 million Americans. — “Sleep HealthCenters to Manage Sleep Wellness Program for”,
  • Prince Chunk, the cat who became famous when an animal shelter weighed him at 44 pounds, just shy of a world record, died in his sleep last Sunday. Prince Chunk was found wandering a neighborhood in New Jersey in 2008 after his owner was. — “Prince Chunk Dies: Famous 44-Pound Fat Cat Found Dead In”,
  • Deployment to Iraq and Afghanistan significantly influenced sleep quality and quantity in a population of 41,225 military service personnel. Participants who completed a follow-up survey during deployment were 28 percent more likely to report. — “Sleepless soldiers: Study suggests that military deployment”,
  • Read about how to get a good nights sleep. Sleep problems such as sleep apnea, sleep deprivation, insomnia, restless leg syndrome, snoring, sleepwalking, and more are caused by lack of sleep. — “Information on Getting Healthy Sleep, Sleep Problems, Sleep”,
  • Sleep disorders Sleep is a reversible state during which the individual's voluntary functions are suspended but the involuntary functions, such as. — “Sleep disorder: Definition from ”,
  • A new paper published by the National Sleep Foundation suggests that while there is no one-size-fits-all answer when it comes to how much sleep adults need, there are ways to tell if you are not getting sufficient sleep. — “How Much Sleep Do You Really Need”,

related videos for sleep

  • Nabiha - Deep Sleep Official music video for the single Deep Sleep.
  • Get to sleep FAST! SLEEP MUSIC Audio: Delta Sleep System by Dr. Jeffery Thompson. This cd is very effective in helping you fall asleep fast. This is only the first 10 minutes of the Delta Sleep System, there is 30 minutes total. I would highly recommend buying this cd/mp3 if you need help falling asleep. I listen to this every night. Put your headphones on and be prepared to fall asleep FAST!
  • Jesse McCartney - How Do You Sleep - Live Performance ***HD*** Jesse's new album Departure features How Do You Sleep, It's Over and the hit single Leavin'. Departure is in stores and available on iTunes now! ***Watch in HD***
  • Conjure One - Sleep (Original) Original version of Sleep by Conjure One. Enjoy! *Update*: I've uploaded the song so you all can enjoy it!
  • Fiona Apple - Sleep To Dream Music video by Fiona Apple performing Sleep To Dream. (C) 1996 SONY BMG MUSIC ENTERTAINMENT
  • Sleep - My Chemical Romance "Sleep" by My Chemical Romance fromtheir third album "The Black Parade" Don't forget to subscribe if you like this song or MCR Lyrics will be added soon DISCLAIMER I do not own or am in anyway associated with My Chemical Romance. I am a fan of the band and did not write, help write, or have anything to do with the making of this song. Consider this free advertising for My Chemical Romance and this is in no way intended to infringe any legal copyrights of this song and/or My Chemical Romance
  • Eric Whitacre conducts "Sleep" Choral superstar Eric Whitacre conducted the VocalEssence Chorus & Ensemble Singers, The St. Olaf Choir, and the 160-voice Minnesota High School Honors Choir in a performance of "Sleep"--part of the sold-out VocalEssence "Eric Whitacre Extravaganza" on March 22, 2009 at Orchestra Hall, Minneapolis.
  • Bizkit the Sleep Walking Dog Into the wall
  • Sleep - Eric Whitacre - Polyphony Sleep by Eric Whitacre performed by Polyphony under the direction of Stephen Layton. Watch the video in HIGH QUALITY! You'll see the pics better :-) I decided to upload this because there have been so many renditions posted, and although many are very good, I think this is amazing. There are also others that imply they are recordings of Polyphony, but they're not. I added the album art and some pictures of the choir for your entertainment. If you like this, please support them and purchase their CD.
  • John Lennon-How do you Sleep An original video of John Lennon's How Do You Sleep from the Imagine movie
  • the corrs (only when I sleep live) only when I sleep live
  • Where Did You Sleep Last Night (Unplugged) Nirvana Where Did You Sleep Last Night (MTV Unplugged in New York) Aka Leadbelly Cover by Nirvana / Kurt Cobain - Rockeros de Toronto by Cristian Gomez
  • Deep Foundation f/ Jay Legaspi - Sleep (directed by Choz Belen) *CLICK HD FOR BEST VIEWING QUALITY* This is the music video for our song "Sleep" f/ singer-songwriter Jay Legaspi & produced by Incise. The video was illustrated, animated & directed by our homey, Choz Belen (). This is the 2nd music video off our debut album, "The First Draft" and our 2nd music video with the ultra-talented, Choz Belen. Links Deep Foundation: http Choz Belen: Jay Legaspi Incise You can purchase our debut album, "The First Draft" at: CD Baby: /deepfoundation iTunes:
  • How do you sleep lyrics by jesse mccartney How do you sleep... From Departure. Im hoping to make lyrics for How do you sleep ft ludacris. Enjoy xD
  • Rage Against The Machine - Sleep Now In The Fire Music video by Rage Against The Machine performing Sleep Now In The Fire. YouTube view counts pre-VEVO: 386457. (C) 2000 SONY BMG MUSIC ENTERTAINMENT
  • Dandy Warhols - Sleep Unedited version of Sleep. I couldn't find a version without pictures. So for my pleasure and yours, a version without anything so you can enjoy without the thoughts being steered by pictures.
  • Eminem-Go To Sleep Ft. Obie Trice And DMX Eminem Ft. Obie Trice And Eminem-Go To Sleep-Stell Nine Productions If you want this song on iTunes you can request it by clicking on this link... 1000000 views on 1/11/10.
  • Pantera - The Sleep Album: Cowboys From Hell
  • Jesse McCartney - How Do You Sleep? ft. Ludacris Music video by Jesse McCartney performing How Do You Sleep?.
  • Sleep: - Godspeed You! Black Emperor From the CD Lift Your Skinny Fists Like Antennas To Heaven
  • Sleep - Eric Whitacre This is Eric Whitacre's song Sleep. I thought the images matched the song nicely. Performance by the BYU Singers, directed by Dr. Ronald Staheli. I hope you enjoy.
  • GO TO SLEEP! Exclusive articles & pictures Our own Dan Gurewitch has a special message for Internet insomniacs. LIKE us on FOLLOW us on: FOLLOW us on: WATCH exclusive videos we can't put on YouTube at:
  • Sleep - Dragonaut Sleep video
  • The Beastie Boys - No Sleep Till Brooklyn Music video by The Beastie Boys performing No Sleep Till Brooklyn. (C) 1986 The Island Def Jam Music Group
  • Sleep Disorders Sleep disorders are a major public health concern affecting millions of individuals, families, and communities on a daily basis. We are a chronically overtired country, which often has grave health repercussions. Our host, David Granet, MD, is joined by one of the nation's preeminent experts in the field, Sonia Ancoli-Israel, Ph.D., recipient of the National Sleep Foundation's 2007 Lifetime Achievement award, to discuss this issue that affects us all. Series: "Health Matters" [10/2007] [Health and Medicine] [Show ID: 13294]
  • Goofy - How to Sleep A short film from 1953 about sleeping difficulty.
  • Archive - Sleep
  • The Corrs - Only When I Sleep The music video for 'Only When I Sleep', the first single from The Corrs' second album 'Talk on Corners' (1997).
  • SLEEP MUSIC RELAXING MUSIC INSOMNIA HELP SLEEPING MUSIC MUSIC FOR DEEP SLEEP HELP DOWNLOAD FREE SLEEP MUSIC. DOWNLOAD SLEEPING MUSIC FROM OUR SITE. sleep- Due to popular demand now on 99% of all online music stores, including iTunes, Amazon MP3, HMV. iTunes (80 minute album) 01 In the Forest Light track with beautiful sounding strings in the background. The acoustic guitar tones mixed with the other instruments will give you a sense of calm and tranquilly which is crucial in getting to sleep. In this track, natural sounding instruments are predominant. You will become emersed within a natural forest dreamland.
  • Poets Of The Fall - Sleep Just a beautiful song... Enjoy:)
  • Lissie - In Sleep (Live) Lissie performs "In Sleep" from her debut album, Catching A Tiger
  • John Lennon - How do you sleep Comme faje a piglia' suonn 'a notte?
  • One Republic - Sleep One Republic - Sleep LYRICS Talk to myself again, all alone, on my own Walk by the scene again, just to see what people see Caught in your stubborn hold, and I'm so far from home So turn the lights on, turn the lights on Turn the lights on for me Keep the lights on, keep the lights on Keep thelights on for me Don't go to sleep Lost in your thoughts again, consciously you think of me Focus your perfect words with a pen you write me in I can't be reached, so far from here, I need you near So turn the lights on, turn the lights on Turn the lights on for me So keep the lights on, keep the lights on Keep the lights on for me Don't go to sleep I wait for you, I stay for you So turn the lights on, turn the lights on Turn the lights on for me So keep the lights on, keep the lights on Keep the lights on for me Don't go to sleep I wait for you, I stay for you
  • Silverstein - Smile In Your Sleep (Video) © 2008 WMG Smile In Your Sleep (Video)
  • "I Can't Sleep" Tales Of Mere Existence Just a few of Lev's many sleeping problems.
  • Sleep. - Druid Song: Druid Artist: Sleep Album: Sleep's Holy Mountain (c) 1993 Sleep/Earache Sleep was the legendary stoner metal band from California that has spawned so many followers and imitators. They were legends in their own right and no album seemed to define their majesty more than Sleep's Holy Mountain. Also of importance is their opus Dopesmoker which would ultimately be their last album before calling it quits. Matt went on to form High on Fire while Chris and Al eventually formed stoner doom band Om.
  • How Do You Sleep? (original album) / John Lennon
  • Jesse Mccartney-How Do You Sleep Official video with lyrics on screen(HQ) i love jesse mccartney..rate and comment ok..
  • Sleep Aid: Ambien A pharmacist explains how Ambien works, why doctors prescribe this hypnotic, and some common side effects of the drug.Watch More Health Videos at Health Guru:
  • Radiohead - Go To Sleep (live) Radiohead playing Go to Sleep on Jools Holland. Check out Jonny's solo at the end. Phenomenal.
  • Tequila_Low: First time going to sleep at this hour~ Hope this means my insomnia is gone~ Nite nite every1... I go oioi areadi~ *Yawnzx*
  • treevillage2: @Iheartpetals Thanks! She went off to school so I will keep my fingers crossed. Sleep well 〜 ☆
  • angelkhuy_13: I'm having a hard time today . I want to go to sleep early but I need to review pa . :/
  • S2MB2ST: I want to sleep, if the ginseng make me awake, i'm gonna kill it. In my dreams >:(
  • schaiblistic: Now averaging 4+ cups of coffee a day, all as black as the night. Work/life balance, eat your heart out. This man needs no sleep.
  • BBtheDoll: @EvilJeanyis don't need one at all, I could sleep in a single at this point. Don't even need a new bed, just bored and want it.
  • L_LawlietUndead: Donlot MVnya udh selese, time to go the sleep~ Oyasuminasa (:
  • CarsonCoastal: Got to sleep in today and eat pancakes today:)
  • IAMPROPER: @AlanTheChemist probably the best sleep anyone could get huh!
  • LittleMonzter99: I walk this empty street On the Boulevard of Broken Dreams When the city sleep and I'm the only one and I walk alone
  • ratihandyn: Sleep. GWS boy,wish you go to school tomorrow♥
  • desydesy: this time for sleep see ya
  • ianwrighting: @raincoaster Sleep is for the week. Caffeine is my sacrament. Are those spiders real?
  • Unstoppable_Kay: Uqhhh he aggravating me already and I wanna go back to sleep
  • iraasyadovey: I didn't touch my bag fr th whole day aftr sch tdy. I jst wanna close my eyes. And sleep.
  • city_walker: I do not like skimping on sleep. Hoping I can find time to nap today. #exhausted
  • DABLACKSHANE: @Strwberrysweetz time 4 u 2 go back 2 sleep
  • nastynate704: RT @wesleyhartsell: I need sleep instead of naps.
  • natashaalamin: 2 hours sleep I managed in the end... This non sleep thing is fd
  • gingertastic_10: Why am I tired? I got like an excellent 8hrs of sleep :/
  • corey_erdman: @nesgto I'm a big fan of Fall For Your Type, but you don't want to put girls to sleep at karaoke. They want to have fun!
  • ksmedley23: @iSoftlyApproach girl idk couldn't sleep you ain't answer the question lol
  • stangxr: i'm beginnning to sleep earlier and earlier. yesterday i slept at ~11.30. today i wanna sleep now.
  • Damons_Destiny: I've been up about 30 minutes now! Sleep not so good & I don't feel well :'( Boooooo! Hopefully my day improves haha!
  • Lauren_Richner: Its 830 and I just want to play but my boyfriend wants to sleep I'm wound for sound &ready to get the day on the road hello!#morningtwitter
  • GermanBeauty18: Good Morning Beautiful People! Ugly people roll over and go back to sleep!
  • rarazpquile: Night too have a good sleep ☺ RT @joshiiwayne: i hope so. . .hmmm. . .i'm kinda sleepy. . .need to rest. . .nightie @rarazpquile"
  • qugottruestyle: Ahhhhhh rise up nd pursue what u call the morning no sleep in days hate What u can't do, dream of all that … (cont)
  • katrionao: @jokeyes awww you poor thing! What @smcelhinney said - fluids and sleep and drugs are all you can do. Feel better. xx
  • PTPA: Good morning! Talking sleep much is enough for you and the kids?
  • Romelldongully: @atomic21 hahahahaha it gives me energy in the morning, i find myself bopping my head in my sleep ! #Dubstep
  • jozillla: Work.... I'm still slightly sleep deprived. Ugh. But my hair is in a half ponytail!! :)
  • KimLisaKenny: Completely knackered, looks like I will be sleep cycling again at rpm!
  • trapbossrico: RT @itouchmyself_: some ppl eat, breathe, sleep thats all they ever do....tsk tsk;get one
  • babyy_blueee: i cnt seem to study. im gonna die fr sure. plan to be in sch early tmr. so now i'll sleep
  • GREGPFROMFB: woke jus 2 smoke then goin back to sleep
  • edwardwardle: Listening to Miley until her beautiful voice sends me to sleep. Apart from that all I have to say is I love @jarrodXrise.
  • KnowingQuotes: Love is when you don't want to go to sleep because reality is better than your dreams.
  • CDean_Rhymzzz: Im trippin though. why am i up? smh i'll pay for it next week when i wanna sleep in but cant
  • _Thatswhatisaid: I don't feel like doing anythingg now, I want time to pass fastttt. hmm I think I'm gonna sleep. Just need to talk to @Ridwin_ first
  • Loveee_May17: i wanna go back to sleep and start my day around 12
  • glamam86: Back to sleep
  • isayiglesias: I'm so tired. I wanna sleep. So many things to do pa.
  • iansneteno: Tired really tired! Didnt sleep for the last 2 nights... Dead is so real n so sad!
  • SLiMM_H3ARTS: Damn I need to stop goin to sleep so early
  • MissNatalieGray: Trying to have a sleep on the couch aren't I? Not possible when ur mother has #bananarama blasting while she paints the bathroom!
  • birkelab: RT @AlanTheChemist: I sleep in the room where I grow my weed.
  • FnBob: @rez_girl you too. Sleep well
  • SupremeClientle: RT @AlanTheChemist: I sleep in the room where I grow my weed.
  • MissKork: And flora expo is so disappointing! This is the first time we need to return to the hotel in the afternoon to sleep. -.-
  • bkss77: Hopin to rch home by 8 and sleep asap before its 9, its the first day after almost three months !
  • CAPITAL_B1tchT: Time flys when ur high and sleep
  • Rainnie_bow: quite tired,need to sleep early...gtg! :-*
  • IAMTONY615: I dont have to be up this early. Back to sleep i go. #highlife
  • SanitySacrifice: Up for class...with NO sleep -_-
  • JDWard11: I love that even in the middle of the night half sleep we argue
  • 2DamnKredible: @raiseyourglass sleep it off babe. :-)
  • LindaNJO6: @WebThingy Sleepy also, but a bit less rough around the edges. Restless but longer sleep. We're getting there. Competition-just results. :D
  • Ravindratanatra: gotta sleep right now. assalamualaikum & good night ☺ *yawn.
  • LucieMejanel: I wanted to work on my play but imma sleep instead coz I still have fever but not a lisabian fever unfortunately...a real one!
  • Ibiela: I'll try this RT @Abdulrahym: @Ibiela Use multivitamins before u sleep
  • Its_AnnaMontana: smh i know... i know...RT @taySpacely @Its_AnnaMontana mann you never sleep
  • bulonogo: @Kangling_huh then GO MAKE AN ULTRA BIG MARSHMALLOW TO SLEEP ON (:
  • Gemsypoo: Wow welcome back sleep parrallases! NOT
  • WintermoonTales: 2 Hours until I can go home and sleep.
  • TwittaLavista: Wehrey @som1twisted: My skul library. Very lovely place to hang out,sleep and do bumchi ;)
  • MarisaMovies: Seriously?? 5 hours of sleep... and I'm still the first person here... #DependOnlyOnYourself
  • estiny69: now that everyone is up its time for me to sleep
  • MrKharmingG27: You can go to sleep you got work later
  • NinaSbOb: Photo: I would sleep on Jude Law’s shoulder http:///xqy1n8q1tf
  • LickMex3_: Ayy niqqa tryinq to sleep & stevnn keep callinq my damm phnee
  • que_diggity: Think my girl punched me in the jaw while I was sleep. .
  • CourtneeyPena: Carlos : GUESS WHAT ARE WE GONNA DO? 1,2,3,4 .. SLEEP !
  • chev__: Running on 3 hours of sleep but I got things to do.
  • scottzolak: RT @WAD1980: @scottzolak #Celtics fans need your help! @CoreyBrewer22 can't sleep is wondering where to sign! Can we get a Let's go Bostooooon?
  • Ohcirejespin: I wish I can sleep this time. O.O
  • MaseInUrFace: #RIFT is really hurting my sleep schedule! But that is 100% okay.
  • JJuiceBox: Went to bed at 215, just woke up, can't sleep. My body's internal clock is all kinds of screwed up. #thanksnightshift
  • butImkate: I've died from a snake bite, shark attack, plane crash, ladder fall, aliens... I'm having Indiana Jones adventures in my sleep.
  • almightyju: No amount of sleep can take away my tiredness
  • ALuScioUs_KISS: @SportCoatDC lol tru wish I was sleep tho
  • TR_Rajendar: oru thalai kathal - ma next creation.. Don't sleep on it people.. Kollywood is not ready for this!!!!!
  • bundiroquai: Nothing intresting to do, now, just go to sleep
  • alainxraic: RT @MR_DCOLD: About to sleep
  • jervin_sy: #IMORTAL na. just watched the "Nakaraan" part and then went back to @jiannasy's room to read THE GUARDIAN. :) will sleep soon. :|
  • littlebitlife: Oh sleep, remember when we use to be really good friends? I miss you so!
  • MsCopAfeel: Going back to sleep though.
  • gendercart: RT @Yronton: If You Want To Maximize Your Twitter Experience, Even When You Sleep! This Is A Must See For Everyone Who Tweets!!
  • Waunyy: Nobody nigga go to sleep RT @Georgi3_Porgi3: Who want come chill wit mee
  • MizzoSoFresh: @BeautifulP0is0n Whats sleep?
  • emilythomas2710: What a day. I am running on empty. No sleep & morning full of appointments & I've got to go to work soon =( in need of bear hugs :(
  • haekaru: just had 4 hours worth of sleep. i is still sleepyzxs.
  • hellovenusss: RT @cchockolate: One doesn't sleep in class/lecture, one is actually "rationing consciousness." #ccquotes
  • alexlovessyouuu: RT @BriMonay_918: @alexLovessyouuu i knowww! But shoooot, i cnt evn sleep kus aniya wanna wake ppl up this morning wit her terrible singin -___-

Blogs & Forum
blogs and forums about sleep

  • “Forums and message boards for Sleep”
    Sleep Forum - Topix,

  • “Child Sleep Issues? Child Sleep Expert Dana Obleman shares child sleep solutions and tips. Home Buy Now Private Consultations Do-It-Yourself Options Seminars / Speaking Success Stories The Sleep Sense Philosophy About Dana Dana's Blog Privacy Policy Contact Us”
    — Dana Obleman's Child Sleep Blog,

  • “The Sleep Apnea Blog keeps you up-to-date with all additions and changes to the sleep-apnea- Web site. Subscribe here”
    Sleep Apnea Blog | Last Updates, sleep-apnea-

  • “Today at Sleep Diagnostics of Michigan in Okemos, I saw a 66 year old SDM Blog coming soon! Posted Jul 21st, 2010. We'd like to keep you updated- check back”
    Sleep Blog | Sleep Diagnostics of Michigan,

  • “Tips on falling asleep, help fixing the most common causes of staying awake to create a healthy sleep routine. News on sleep issues, and Nightwave products”
    — Healthy Sleep and Help with Sleeping Issues | Nightwave Blog,

  • “The forum is also an excellent place to ask questions about other issues related to sleep apnea. Sleep studies. Tips for New Forum Posters. If you are new to forums, there are a few things”
    — CPAP Forum - LoveToKnow Sleep,

  • “The Better Sleep Blog keeps you up to date with all the latest tips and advice you need to get a better nights' sleep - tonight!”
    — Better Sleep Blog, better-sleep-better-

  • “Nationally recognized sleep expert, Dr. Lisa Shives blogs about sleep disorders in adults and children and offers news, opinion and solutions”
    — Dr. Lisa Shives' Sleep Better Blog,

  • “The blog of which details new updates, press announcements, funding and the story”
    — Sleep.FM Blog,

  • “Of course I'll be sure to blog about this experience, but if I start making posts about seeing dead people, then you'll know I've become delusional due to sleep deprivation. What would you do with an extra 30 But once I came across to quite an irregular approach to sleep in Steve Pavlina's blog”
    — Polyphasic Sleep,

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