Cloth masks

cap covering the head and neck leaving the face revealed

mask made of common textiles worn over the mouth and nose

overview about face masks during the COVID-19 pandemic

225px|thumb|right|Astronauts Richard H. Truly and [[Guion Bluford sleeping on board the Challenger. Bluford, in the foreground (upside-down) wears a sleep mask. Astronauts may find it difficult to sleep in space, especially if they are light sensitive.]] 225px|thumb|right|Sleep mask