Writing in bed is not just about convenience or comfort. I think there’s a psychological advantage, too. If you write in bed in the early morning you occupy an intriguing part of consciousness, somewhere between dreaming and wakefulness. Part of you is still in the shadowy cave of dream world; part of you is adjusting to the sharp brightness of reality. The mixture is fruitful and often suggestive.
Read Robert McCrum’s original article for the Guardian here.