Is sleep without eyelids possible in humans?

Question

If you had no eyelids, you wouldn't be able to blink and protect your eyes from outside debris...However, is sleep possible if someone has no eyelids?

Answer 1

Actually, people CAN sleep with their eyes open. This has been experimentally proved in several tests (including one in which the unfortunate volunteers had their eyelids taped open and their heads connected up to an EEG to confirm that they were sleeping).

So the brain will sleep with or without the eyelids being closed. Why have the eyelids closed (or nearly closed) during sleep then? The most important reason is to prevent the eye from drying out and dying when we're asleep and therefore not blinking. Also, as you point out, protection of our eyes is another function.

Some authorities further claim that closing our eyes during sleep excludes potentially distracting visual stimuli from disturbing our sleep. I'm not convinced by this though - it seems to me that evolution could done the same thing with visual stimuli that it does with auditory stimuli (only wake us up for a limited set of stimuli, like loud noises, or close noises, etc.).

Anyway, hope this helps!

Answer 2

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RE:
Is sleep without eyelids possible in humans?
If you had no eyelids, you wouldn't be able to blink and protect your eyes from outside debris...However, is sleep possible if someone has no eyelids?

Answer 3

No Eyelids

Answer 4

you can put it won t be as good of sleep meaning rem sleep.

Answer 5

I don't really know but I'll gess no!! 'Cause dude, if you have no eyelids, when all the dirt start to accumulate in your eyes it will probably hurt a lot.... and I don't think you would be alble to sleep in such a painfull situation!!!!!

Answer 6

When my grandfather was very sick, he would sometimes fall asleep with his eyes open. He would snore and everything. So I would say, yes, you could sleep if you had no eyelids.

But eventually, even if you protected your eyes from dirt, etc with goggles, your eyes would dry out and the cornea could crack and split and cause blindness.

Answer 7

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Longest period without sleep Depending on how sleep is defined, there are several people who can claim the record for having gone the longest without sleep: 1. Thai Ngoc, born 1942, claimed in 2006 to have been awake for 33 years or 11,700 nights, according to Vietnamese news organization Thanh Nien. It was said that Ngoc acquired the ability to go without sleep after a bout of fever in 1973,[58] but other reports indicate he stopped sleeping in 1976 with no known trigger.[59] At the time of the Thanh Nien report, Ngoc suffered from no apparent ill effect (other than a minor decline in liver function), was mentally sound and could carry 100 kg of pig feed down a 4 km road,[58] but another report indicates that he was healthy before the sleepless episode but that now he was not feeling well because of the lack of sleep.[59] 2. In January 2005, the RIA Novosti published an article about Fyodor Nesterchuk from the Ukrainian town of Kamen-Kashirsky who claimed to have not slept in more than 20 years. Local doctor Fyodor Koshel, chief of the Lutsk city health department, claimed to have examined him extensively and failed to make him sleep. Koshel also said however that Nesterchuck did not suffer any of the normally deleterious effects of sleep deprivation.[60] People who claim not to sleep are usually shown to sleep when studied in sleep laboratories with EEG. Nesterchuck reports experiencing drowsiness at night, commenting that he attempts to sleep "in vain" when he notices his eyelids drooping. Many people experience microsleep episodes during sleep deprivation, in which they sleep for periods of seconds to fractions of a second and frequently don't remember these episodes. Because microsleep is frequently not remembered, microsleep or a related phenomenon may be responsible for lack of sleep and/or lack of memory of sleep in individuals like Nesterchuk and Thai Ngoc. 3. Randy Gardner holds the scientifically documented record for the longest period of time a human being has intentionally gone without sleep not using stimulants of any kind. Gardner stayed awake for 264 hours (eleven days), breaking the previous record of 260 hours held by Tom Rounds of Honolulu.[61] Other sources claim Gardner's record was broken two weeks later by another student, Jim Thomas of Fresno State College, who stayed awake for 266.5 hours; and state that the Guinness World Records record is 449 hours (18 days, 17 hours) by Maureen Weston, of Peterborough, Cambridgeshire in April, 1977, in a rocking-chair marathon.[62] 4. The toddler Rhett Lamb[63] of St. Petersburg, Florida, has a rare condition and slept only one to two hours per day in the first three years of his life. He has a rare abnormality called an Arnold-Chiari malformation where brain tissue protrudes into the spinal canal; the skull puts pressure on the protruding part of the brain. The boy was operated on at All Children's Hospital in St. Petersburg in May 2008. Two days after surgery he slept through the night.[64][65]

Answer 8

with unprotected eyes, a person wold eventually lose their eye site, but they would sleep like anyone else.

Answer 9

nope