I bought the Zeez after someone recommended it to me at the beginning of February. I was impressed by the way Anna contacted me by email and phone before I received my Zeez Pebble. In the first call, she recommended I reduce the amount I was drinking during the day; recommended the best supplements to take. I began using Zeez Sleep Pebble but my sleep did not initially begin to improve. Following another call in which Anna suggested I take most of the magnesium in the evening and I could use the Zeez Sleep Pebble during the day to help my body and brain get accustomed to it, I began to notice an improvement. The final advice was for when I wake in the middle of the night to turn the Zeez off and restart it - which has made a big difference and has stopped me having long periods awake in the night. I definitely recommend the Zeez Sleep Pebble and if it doesn't seem to work for you initially do contact the company and persevere.