It is a must that advise you check out any food for your dog, research first on its contents because what they're made of will be what you're to feed your family pet. Each of these cycles consists of two stages of light sleep, two stages of deep sleep, and a stage of REM, or dream, bed time. https://www.Youtube.com/channel/UCS8bq74KBvR6vBkHopr7fvA