It’s just a summer thing, sunrise is at about 4:30 and sunset at 21:30

The expiry date is for keeping on the counter also, if it’s not moldy just eat it…

Oh I didn’t mean CPAP being a silver bullet, it just seemed like a pretty good solution for avoiding dust. I don’t have any problems breathing though my mouth with CPAP so that is why I was surprised

How could it make things worse? They have dust filters