There is no way I am taking any reading to bed, never have and never will. I have better things to do, like sleep after I have worn myself out filling in the hours I am awake with the thinks I want to do. I haven't found anything that keeps me awake, after I have fulfilled my day, and my day does not involve reading.
I take your word that it wasn't used in 'White Heat' but you can read all the papers you want; deny what you want; prove comments on this subject inaccurate but regardless of the arguments you come up with my simple point is - 'I promise' is a phrase that is, and always has been, used over and over.
You can delve into all the historical documents you like and make your decision based on the experience you have gained.
I have no bias I just accept that politicians have a job to do are out to win votes and they can promise what they like. I will make my vote and I promise I will not keep talking about it and try and convince anyone else to do what I do.
Otherwise you would all be - singing and dancing in the rain - Doobe Do Do....................