During overnight IROP delays due to weather, etc. it’s best to avoid sleeping on the floors in airports or train stations. I know this is easier said than done but here are a few news items to help remind you of this:
Sick after sleeping on floor at French airport:
‘My family and I are all sick after sleeping on airport floor’
Dirty floors:
Security concerns over dirty floors at airport
Public Health officials worried about airport floors
Any finally there is the rat problem at most airports:
Not just overseas but also in the US
Only good rat is a dead rat
If you must sleep in airports here are couple resources:
10 tips for sleeping in airports from smartertravel.com
CliQbait 