sleep mask
A sleep mask is a type of blindfold and mask designed to block light while one is sleeping in order to achieve and maintain deeper sleep. It can also be used to ease feelings of claustrophobia when the user is undergoing magnetic resonance Imaging (MRI).
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The following tags are aliased to this tag: sleeping_mask, sleepmask (learn more).
This tag implicates blindfold, mask, eyemask (learn more).