KLX - Kalamata Airport

Headed to Bonaire from Turin with a connection in Amsterdam and ended up in economy comfort on the KLM A330. Longest I’ve done in the back is about 7 hours so 10 feels a bit intimidating. Any tips for surviving the long haul? Also curious if there’s any realistic shot at a free...

flying out of this very small airport in Greece — and there is really no restaurant.  Just coffee shop selling sandwiches, which aren’t very good and no hot food or even ability to toast it