Everyone snores occasionally, but for some, snoring can indicate a more serious issue: sleep disordered breathing. This refers to a range of sleep-related respiratory conditions that include ...

This story is part of our new series Mask Envy, where we showcase San Franciscans’ creativity and take a look at some of the coolest masks spotted around the city. Have a look you want to submit?

Fig. 1. Given (a) the scanned face model of a subject, we develop an optimization-based approach to design (b&c) a PAP mask cushion that fits the face model. (d) The designed mask cushion is ...