Is it unsafe if my microwave oven knocks out my wireless internet connection?

When I run my microwave, if my laptop is in the kitchen it loses the internet connection. I’m not certain if it does it when the laptop is closer to the router than the microwave since I haven’t paid that close attention and don’t use the microwave too often. Anyways, I assume some electromagnetic radiation must be leaking out and is hosing the wireless field. Is this leak reasonable for microwaves? Should I have any concern about the energy levels?