Question re Riu Jalisco

1. Do the ala carte restaurants require men to wear long pants?

2. Does the Riu Jalisco have 24-hour room service?

Thanks in advance for your comments.

To answer your questions:
Yes
and
Yes, 24 hour snacks

I think the snacks are at the disco

Correct, the snack are at the disco. When we were there several years ago you were lucky if they had any at all.