I'm sorry you are experiencing difficulty sleeping. This must be very frustrating for you.
If you can,try and take your last steroid a few hours before bedtime to see if that helps. We also have some useful tips on things you can do to try to help improve your sleep pattern at this link.
Do speak to your doctor or specialist nurse if this continues.
I hope this helps. Give us a ring if you would like to talk anything over. The number to call is Freephone 0808 800 4040 and the lines are open from 9am till 5pm Monday to Friday.
