In general, the body connection of a PMOS device is connected to VDD, and the body connection of an n-channel MOSFET is connected to ground. This is easily checked in the SPICE net list. Convergence...

In general, the body connection of a PMOS device is connected to VDD, and the body connection of an n-channel MOSFET is connected to ground. This is easily checked in the SPICE net list.

Convergence in a DC sweep can often be helped by avoiding the power supply boundaries. For example, sweeping a circuit from 0 to 1 V may not converge, but sweeping from 0.05 to 0.95 will.