Dreams involving animals, especially powerful ones like bears, can often symbolize strength, protection, or primal instincts. In your dream, a bear standing over you while you sleep could represent feelings of vulnerability or being watched over. The setting of your grandkids' room may indicate a connection to family, nurturing, or concerns about their safety.

Here are a few interpretations to consider:

1. Protection: The bear might symbolize a protective figure in your life or a desire to safeguard your loved ones, particularly your grandchildren.
2. Vulnerability: Being in a vulnerable position while sleeping can indicate feelings of being exposed or anxious about something in your life. It may reflect worries about your family or a situation that feels overwhelming.
3. Instincts and Power: Bears are powerful animals, and their presence could signify that you need to tap into your own inner strength or instincts to face challenges.
4. Family Dynamics: Since the dream took place in your grandkids' room, it might reflect your feelings about family dynamics, responsibilities, or your role as a grandparent.

Reflect on what the bear and the setting mean to you personally. Consider any current situations or emotions in your life that may relate to these themes. If you have ongoing concerns or feelings of anxiety, it may be helpful to address them in your waking life.