"As a person with Parkinson's I can't cure it. I'm not a scientist, I wouldn't know where to start. But I can do this, I can talk to you on the camera." Sleep and night-time problems are so common in Parkinson’s. David shares his story and his hopes and fears for the future. This video was made as part of our Time For Can campaign. Find out more https://www.parkinsons.org.uk/get-involved/we-can-find-cure-together