Budgies become so attached to their owners, they really miss them during periods of separation. This can be a very stressful experience for a budgie, especially if they’re left completely alone and in silence. In the wild, silence is a cue from the flock that a predator is nearby. Frequent or prolonged periods alone can cause serious mental health problems for your budgie, who would have strong and consistent social ties in the wild. Being alone often can cause depression, which contributes to several other health conditions. It can even push a budgie closer to death.