BellaB. I can really relate to your post. Small children, working and managing everyone's lives is hard work. I have tried to go for a walk each morning I am home regardless of anything else, kind of like a preventative measure for myself. I also try to avoid screen time (TV, computer)for an hour of an evening - so read a book, knit (or try anyway, lol) listen to music. I am also trying really hard to only do my paid hours at work - so no more at home or staying back late. It is hard as my workplace looks on PT staff as lesser so I had been (stupidly) trying to prove otherwise. I also go out on my own or send the kids + DH out and do something I like for an hour a weekend. DH also is responsible for getting up with the kids one morning a weekend.
These measures all seem a bit OTT but I was stressed to the max and felt like I was running from one job to the next pretty much 24/7 on very little sleep. Not a good combo! I also got some Rescue Remedy and used that for a bit until I found a more even keel.
Take care of yourself - it will help you feel better! xxx