If you ’ve ever shared a layer with someone with nocturnal lagophthalmos , peculiarly if they did n’t admonish you in forward motion , it ’s possible you found the experience a shade … disconcerting . the great unwashed with the circumstance do not fully come together theireyeswhile they sleep , which to those who ’ve only ever experienced closed in - oculus quiescence can be a shock to the system . It ’s commonly not a harmful consideration , though , and it ’s plausibly more common than you would take over .
Lagophthalmos , the unfitness to full close one ’s eyes , comes in several form and different degrees of severity . The word come from the Greeklagos , meaning “ hare ” , due to the observance thatrabbits can sleep with their center openthanks to theirthird lid . Nocturnal lagophthalmos in humans specifically name to the eyes remaining open during sleep .
Reports of the rum phenomenon escort back a very long room . So the story goes , the ancient Formosan military leaderGeneral Zhang Fei , who lived in the late second and early third century BCE , manage to temporarily guard off would - be assassins due to the fact he slept with his eyes open .
It ’s a condition that captures the mental imagery , but there ’s not that much actual hard scientific discipline on it . One2019 case reporton a 7 - year - honest-to-god patient say that it has been “ seldom report in the aesculapian lit , with little roll in the hay about the epidemiology or clinical characteristics . ”
As to how common it might be , that study suggested about 5 percent of adults are affected , but estimates do variegate , with some suggestingup to 20 percentof people may log Z’s with their eyes open . Many of them might not even know they do it .
There are various potential causes of the consideration , include eye injuries , conditions causing paralysis of the facial nerves , and , more seldom , infectious diseases . Some people have anatomic factors that make it difficult for the eyes to shut down , such asGraves ’ disease , which often causes bulging of the eyes .
Beyond the potential to freak out out your friends , is nocturnal lagophthalmos a serious aesculapian yield in itself ?
How does nocturnal lagophthalmos affect the eyes?
Lagophthalmos does not typically lead to “ spartan complication or damage to [ the ] eyes ” , consort toMedical News Today . The big problem , aside from the fact it can affect yoursleep , is that the eyes can quickly dry out if they expend long periods of time unprotected by the eyelid – there ’s a reason why weblinkso often during the mean solar day .
Dry eye disease is very common – it ’s think up to50 percentof people could be dissemble to some degree . Thesignsinclude increase eye - watering – that might sound paradoxical , but flock of the great unwashed with ironic eyes have increase tear production – a sensation of something in your optic , and pain in the ass or irritation , peculiarly in the morning .
It ’s rare for the great unwashed with teetotal center disease to experience severe , lasting hurt to the aerofoil of the eye , but it is apossibility .
If you have these symptoms and suspect you might have nocturnal lagophthalmos , or dry eyes in ecumenical , it ’s worth talking to aneye physician . They may signpost you to further examination to enquire potential underlying causal agency , and can recommend handling that might avail keep the eye control surface lubricate and protected . mutual selection include optic drops and ointments , and solicit the eyelid shut down overnight .
The mental object of this article is not specify to be a substitute for professional aesculapian advice , diagnosing , or treatment . Always assay the advice of qualified wellness providers with questions you may have regarding medical shape .