Internal Alarm

When a microwave has finished cooking, the interior is still dangerous for a while?
When the alarm sounds and the interior light goes out, and immediately open the door, you will be exposed to dangerous levels of microwave, if you put your head or right of the oven body to open? In other words, is the oven is still dangerous after the end of cooking, and if so for how long? So there are no dangerous levels of microwaves in the oven after time reaches zero. Would not it have residual radiation. That's what I wonder about. Residual radiation is dangerous.
oO
Programme Your Internal Alarm Clock To Keep You Asleep