Thank you all for your feedback. I am glad to know that lights are available from Hot Spring and will ask my dealer for a price. I have to think about a weighted belt, though, as I am not sure it would solve the problem. The lounger is just not shaped right for me somehow. When I sit in it with my feet on the foot jets, my neck is out of the water. If I squinch (is that a word?) down to get my neck, my lower back is pushed away from the back rest and my feet become cramped up; so I move them, and in so doing lose my anchor. Then I float up and out of the seat. But if I put a weight belt on, it would put stress on my lower back, methinks, and that of course would be counter productive. Maybe I can borrow one from the dealer to try.
Regards,
Bill