Take a deep breath — these air purifiers are all on sale this week

8:48am PST - February 11th, 2020    bucks - Mashable

At best, that scratchy feeling in the back of your throat or the constant sniffle you have in the middle of the night wakes you up only momentarily. At worst, it keeps you wide awake for a full eight hours. Either way, your sleeping patterns are being interru…