Grand jury is so named because traditionally it has greater number of jurors than trial jury, called a petit jury (from the French word petit meaning small).
Although mice tend to come out in the night when most of the occupants of the house are asleep or immobile. This allows them to stealthily infiltrate any of your food bags, crumbs etc. During the day time, mice will normally not come out, but if opportunities exist then they surely can.
Groundhogs, like most pets and people, are active during the day and retreat to their burrows for a good nightâs sleep. But the groundhog takes his sleep more seriously than we do: The bristly herbivores are true hibernators, meaning they bulk up in the fall and sleep from roughly October to March.