Try getting one of lamps that is for this problem , you turn it on the room your in . If,you need a link let me know I'll get it to you. My son has one he is 21 and gets depressed in the winter.

Have you considered the time of year? November, December and January are months where it is dark outside, and the days are shorter. We get much less sunshine, during this period. In many cases individuals suffer high anxiety and depression.
The holiday season, may have a negative impact on you, too. Add the lack of sun, shorter days, more days when it's dark and cloudy and you end up with many individuals enduring the same emotional rollercoaster; where you feel irritable with a short fuse. Frustration has creeped into your confidence and you find yourself crying a lot. My dog, Persia is my get up and go medicine, but it is still very difficult to be productive and active when you feel drained, weak and exhausted.
I hope my situation / explanation has helpeds you........stay strong.....

I am experiencing the same exact symptoms and have definitely become much more irritable and find myself with no patience and snapping at people, especially when I am having a 'bad' day and in a great deal of pain.

Irritable and Sensitive...definitely!! Unfortunately Fibro is a multitude of pains and symptoms...and yes Irritability and sensitivity are among them....I'm amazed my hubby is still living with me!..after awhile you learn to control it..or safeguard your family from getting a blast!. Fibro is definitely a royal pain in the butt!!!!

Yes I have gotten awful about what I call snapping someone's head off... I have never been the type person to do this...it is embarrassing to me