Another attempt at this today, and another horrible failure. I managed one puzzle, but the problem was that all the remaining things I had to search required a Snooze to get to. And I had no Snoozes. And I couldn’t get any more Snoozes as all the remaining things I had to search required a Snooze to get to.
Which was a bit of a problem.
There’s also one room which is completely impossible, Snooze or no Snooze.