Posted by BobG (192.212.253.8) on February 06, 2001 at 22:48:06:
In Reply to: 2nd shift posted by Jeff Williams on February 06, 2001 at 07:56:32:
I've worked rotating shifts, days, graveyard, days, swings, days, over and over, changing each week for more than 34 years and have had episodic clusters for 27 of those years. For me there is a connection between sleeping habits and headaches.