Instruction: Generate an answer to the question by utilizing the information contained in the document.

Input:
Question: Any idea as to whether this ionizer will help someone with sleep problems?
Document: I have allergies, so the doctor recommended a Hepa filter with ionizer to help with my symptoms. The first one worked so well and made the house smell so fresh, that I purchased a second one for my vacation home. I have two dogs in the house and I no longer have a slight smell of dog in the house. It's amazing how well this product works.
This has helped to clear the air in our home. We care for someone who is incontinent and I could always smell it, even with the changing linens, bathing, etc. Now, our home smells fresh and clean, no more embarrassment for our loved one.
Used it first day to help clear the cooking smells left over from a fish cook out and it did great. The next big cook out was with fajita meat the smelled up the house and it worked great on that to.
No matter how clean your home normally is it will smell even cleaner with the ionizer running. We have had several people tell us that they would not have known that we have three dogs if they hadn't of barked.
There is a noticeable difference in the air using just the ionizer fan after running it for 4+ hours (with my floor plan). The unit attracts a good amount of white dust that one will get when running misting humidifiers which is a nice plus.
Product works very well. I am pleased with my purchase. The primary reason for purchasing this machine was to help with large dog odors. No matter how often you bath your dog and clean your house there is still that lingering scent of dog when you have 2 mastiffs in your home. The ozone function was just what I needed to add to my daily routine to keep a clean smelling home and my pets!
I don't know if it does much to purify the air in here because I have the windows open (it is still spring). I will find out this summer how well it purifies. The ozone is detectable and it does seem to help. I crank it up during the day and lower the ozone level at night. The unit itself is tiny and does not seem as if it is capable of purifying a whole room full of air. The fan on high speed is not very fast.
This unit appears to be a great deal for having cleaner air. Ionizer, carbon filter, hepa filter, ozone generator! They will even send you a free replacement hepa filter if you either post a review (as I'm doing now), or a picture on a social site. The quality seems good considering the price. It's not a big unit (looks like 12x7 or so), but it clears the air quickly.
First of all, I researched the Amazon review a bit before buying. I didn't want to be stuck with a useless box. When the product arrived the two ceramic plates were broken. I called customer service and left a message for a rep to call back...and they did. Then they sent out two new plates express mail. The unit works very well at getting rid of odors..that is what the ionizer is for.
We bought this unit to help with the smoke smell in our living room, which has a large fireplace. The room is 24' x 26', so I was concerned it might not do the job. I unpacked the unit, put in both ozone plates, and turned it on with ozone set to the lowest setting. Within 15 minutes, the entire room was fresh and clean smelling. Within an hour the entire house was great. (We did use a box fan to move the air around.
Answer: Unknown, but also unstudied is the idea that negative ions help with depression. Google it. That worked for me in about three days. Maybe then you can sleep better?