cover image: Our viewer's question

Our viewer's question

8 Jul 2014

Balan Biju from India wants to know: why can't humans sleep with their eyes open?
sleep train eyes open
Published in
India
Rights URI
http://rightsstatements.org/vocab/InC/1.0/
Source
Europeana https://www.europeana.eu/en/item/2051904/data_euscreenXL_1173433