Insomnia

I hope things are better for you now boatyard
I have bouts of insomnia from time to time and have found some of these ideas useful:
Count back from a thousand in threes.
Read a fairly boring book for ten minutes.
If the problem is anxiety imagine the problem and seal it in a box and put it down the garden in a shed (all in your mind). You have to put on as much detail as you can such as going to get the box, and the sellotape, sealing the box, carrying it downstairs, opening the door etc. etc. The more detail the better. Once the box is locked in the shed you can't niggle at that worry any more tonight so, hopefully, you will sleep.
If all else fails I get up and make tea and read or do a crossword but don't put on the computer as I find that makes me more awake.