Just like the Manta PRO Sleep Mask, the SOUND Sleep Mask is engineered to keep you cool and comfortable through the night ...

Additionally, she says the mask is on the heavier side, so it's an option you need to use while sitting or laying down, though the unique silicone design fits the face well (translation ...

As a side sleeper, I’ve experienced first-hand how tricky it is to find products that support my preferred sleeping position. Indeed, it was only when I purchased the Manta PRO Sleep Mask back ...