Lindsay Lohan is tired, guys. Again.

As we all know by now, our pal Lindsay suffered her umpteenth bout of exhaustion last week on the set of her new film, Liz & Dick, though this one did not require a trip to the hospital. Instead Lindsay took to Twitter, the poor (wo)man's publicist, to tell the world; "Note to self.. After working 85hours in 4days, and being up all night shooting, be very aware that you might pass out from exhaustion & 7 paramedics MIGHT show up @ your door.... Hopefully theyre cute. Otherwise it would be a real let down. XL @mrsalperez -back on set." All's well that ends well.

With this in mind, we have decided to take a look at a few other celebrities who just cannot seem to stay awake.

Mariah Carey

Ms. Carey was very, very busy promoting her new film and album Glitter in the hot, hot summer of 2001 when she went a little bit crazy. An unannounced appearance on TRL saw the singer and aspiring actress handing out ice cream in nothing but a tee-shirt and telling shocked host Carson Daly, “If you don’t have ice cream in your life, sometimes you just might go a little bit crazy.”  She then peeled off the shirt revealing hot pants and a halter top, much to the delight of the audience. Less than a week later she checked into a New York hospital for what was described as an “emotional and physical breakdown” brought on by exhaustion.

Colin Farrell

Colin did not even try to hide his partying lifestyle after making it big in Hollywood, and eventually it all caught up with him. In 2005 after filming Miami Vice the actor checked into a treatment center for exhaustion and dependency on prescription medication. His publicist said a back injury led to the star abusing his meds, but Colin would later admit that the meds were just part of the problem. The Irish actor is now sober and, we assume, well rested.

Britney Spears

More nervous breakdown than exhaustion, Brit Brit went off the deep end in February of 2007, checking into Crossroads in Antigua on Valentine's Day only to check out hours later, fly back to LA and two days later shave her own head before getting two new tattoos. Days later she checked into Promises, and then checked out again. Two days after that she started what would be a month at the rehab facility. Upon checking out the singer's life continued to spiral for almost the next two years, but now our girl is well again.

Caleb Followill

The Kings of Leon singer told a stunned Dallas audience in July of 2011, "I'm gonna go backstage and I'm gonna vomit, I'm gonna drink a beer"... never to return. The band soon cancelled their summer tour and Caleb was put on rest for vocal strain and exhaustion. Brother Jared tweeted at the time however, "There are internal sicknesses & problems that have needed to be addressed. I know you guys aren't stupid. I can't lie. There are problems in our band bigger than not drinking enough Gatorade." Caleb soon checked into rehab.

Demi Moore

Demi is one of the most powerful and beautiful women in Hollywood, but even she gets very sleepy it seems. The singer was hospitalized for exhaustion in January of this year after being rushed to the hospital, with some reports claiming the actress had actually been doing whip-its on the night in question. Clearly distraught over her split from hubby Ashton Kutcher, Demi disappeared for a bit for some "professional assistance" and came back all better.