Welcome to the forum!
In answer to your first point, I am afraid that it could be a long wait. All health authorities currently have different rules, with some giving you a machine straight after the sleep study, others giving you a trial period before being put on a waiting list, and others who will either put you on a long waiting list or will not provide a machine at all. Hopefully other forum members from Kent will be able to give you a better indication of the timescales involved than I can.
As for your second point, you have just found an invaluable source of information, as everybody on this forum has experienced the exact same feeling of being completely lost and bewildered by sleep apnoea. Please feel free to ask as many questions as you like as there will usually be somebody that will be able to answer your question.
If you want a good general overview of sleep apnoea, then I would suggest looking at the following websites:www.sleepmatters.org
- This is the Sleep Apnoea Trust Website
Hope this is useful.