The increase in temperature with exercie if it happens 1-2 hours before sleep can help initiate sleep. The drug seems not to work as well. Pen, you are next. Insomnia is already common in people with chronic illness. The calcium channel blockers can interrupt sleep.
Prednisone taking orally is a great sleep inhibitor.
Whether PH is specific for insomnia I can't tell. No for now until I get used to this chat thing. Monica, you are next. I seem to have sleeplessness on a monthly basis for about 6 or seven days. Your preference to go to sleep at 2am may have a brain basis.