Does anyone know why some people get a twitchy eye lid when they are tired?

I sometimes find my eyelid can twitch rapidly when I am tired (and it also sometimes happens when I'm stressed).

I know it is possibly not a very scientific question, but does anyone know why this happens? Someone asked me and I realised that I don't actually know.

Authored By James Cluxtall on Thursday 29th November 2012

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Miss Luna Ibrahim
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Medical Student - Warwick
·
Posted almost 7 years ago

From:http://emedicine.medscape.com/article/1213160-overview#a0101

Myokymia is the spontaneous, fine fascicular contractions of muscle without muscular atrophy or weaknes

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