Reporting back from my stay, the lounge is open from 0600-2200.

Breakfast officially starts at 0630. In practice most of the food will be out by 0615, although the staff will still be doing minor things like putting out the labels and rearranging cultery until 0630.

If you are scheduled to arrive by Luxexpress at 1900, expect to actually arrive at 1915. If walking back, you will reach the lounge by 1935. You can also take the tram one stop if you see it coming and you may reach the lounge by 1925. There will be plenty of time to enjoy the lounge. The staff will remind you that they are closing the buffet and alcohol; but they will be happy to put whatever you want on your table to have over the remaining 2 hours.

Outside of the main service times there are soft drinks, coffee/hot choc/tea machine, beer, nibbles and fruits.

The evening offerings when I was there were meatballs and vegetables / potato gratin thing / chocolate ball / mini-fruit tart, then mini-pizza / cooked fish with vegetables / some yoghurt or mousse thing. There was also the hams and cheeses plate and some small savoury bites that you might get as an amuse bouche.

This was sufficient for a meal if, like me, you needed to work the rest of the evening and sleep early enough to have breakfast and leave the hotel by 0645.