The sun has been very active this weekend. According to http://www.spaceweather.com/, a big sunspot erupted early this morning, following close on the heels of another CME that hit our atmosphere last night. In other words, if you have been spending most of these last two days unable to do much, and feeling achy all over, this could well be the reason.
We have more coming in later, so do not be surprised if you feel the effects of this last storm later in the week. You can watch it erupt here: