The song was written by Grahm Nash or at least he recorded it on his first Solo album.
When you were asleep I was kissing your forehead, you gave a frown so I kissed you again, You started waking put your arms 'round my waist, just making sure I was there then you drifted away, then you drifted away
that's as much as I recall I haven't don that one in many years. If you PM me with your email I'll see if I can come up with the rest, but it will take a few days, Charcloth