Hamsters are crepuscular and remain underground during the day to avoid being caught by predators. In the wild, they feed primarily on seeds, fruits, and vegetation, and will occasionally eat burrowing insects.[2] They have elongated cheek pouches extending to their shoulders in which they carry food back to their burrows. Hamsters tend to sleep during the day and are wide awake at night, which may be irritating to some people because of their cage-biting and wheel-running