exhausted

Hi All, What do you do when you have extreme exhaustion? I work in an office all day. I have had a couple of times where my exhaustion has been so extreme that I have had to go home and just lay in bed the rest of the day. All comments and suggestions welcome. thanks.:)

Well I don't know if this is just my body acting up or what! If I physically work hard one day, the next day or two I feel like I have a terrible hangover. Last night, the house next to my mother in law burned & it was a close call for her house. Got a call late at night to get there stat...