<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["es", "en"].<end_of_turn>
<start_of_turn>user
Lee el siguiente título y escribe un texto sobre él : ¿Por qué hay gente que duerme con los ojos abiertos?\nSummary: Semanalmente, la revista BBC Focus resuelve algunas dudas de sus lectores. A continuación, una selección de sus respuestas para curiosos. 

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<start_of_turn>model
Why do some people sleep with their eyes open?

More children sleep with their eyes open than adults and it doesn't seem to do them much harm.

Technically it is called "Nocturnal Lagophthalmos" and for adults it can be more problematic.

If the eyes are not closed properly, tears cannot cover the entire cornea to keep it moist and clean and prevent damage.

The reason your eyes stay open may be a problem with the facial nerves that are responsible for closing your eyes.<end_of_turn><eos>