Politics and Religion
OK! Some of us here have been speculating on the possibility or probability of Trump withdrawing. But, what if the issue is more about him not wanting to win; consciously or unconsciously? The authors example involving the need for sleep is particularly on point given how Trump brags about needing so little sleep. 
Neither I, nor the author of the article mentioned "the fuhrer"! Way to go!
If by affliction you mean insomnia, or the need for less sleep than most other people need, Trump doesn't address it as an affliction, he brags about it.
And, the most predominant symptom that occur with all psychiatric, or mental health disorders is lack of sleep!
Plus Huffpo just spend much of the month of May showcasing articles about the detriments of lack of sleep. Where have you been? Under a rock?