However, there are other factors that may make it necessary to move her out of the bassinet sooner. (newkidscenter.com)
Also, when your baby is sleeping and his / her head / feet keep hitting the ends / sides of the bassinet it's time to switch it up. (momandbabylab.com)
The wheels are also helpful if you need to adjust the position of the bassinet from room to room. (mombible.com)