Yes they do - although strangely my current Syrian seems totally unafraid of being out in the open - in his cage or free roaming - but still instinctively goes into tubes or dark areas.
The Perspex would really help
.
Which cage is always a difficult one. It’s a big purchase as well. I like the Savic plaza barred cages. But to get the Perspex all round for that doubles the price so it ends up being about £160. And for £180 you can get a Bucatstate 100 Perspex tank which also has a front opening door. I was tempted with one of those recently as they were on sale on Black Friday. But - I still think the ventilation on a barred cage is much better. Maybe someone with a Bucatstate can comment on how good they find the ventilation.
On the other hand. The Savic plaza with cardboard instead of petspex is only £80.
If you have space. The new plaza 120 is fantastic - I love it. It has a big top door and a big front door. Mine was £114. It’s not as big and bulky as it sounds - mine fitted into the same space my previous plaza 100 fitted - it’s about 20cm longer and quite a bit deeper but not much taller.
Pets at Home are supposed to be selling it online (from 23 December) but can’t see it on their web page yet. I suppose “from” a date could be anything!