Several long COVID patients report substantial improvements within days from the first generation antihistamine diphenhydramine (Benadryl) 25 mg before bed. See:
Benadryl seems to have helped me
The “best” I feel is when I take diphenhydramine (Benadryl)
Back to Benadryl cause it’s the only...
For the past several months I've seen a flare-up of insomnia, including great difficulty getting to sleep (sometimes not until the afternoon of the next day), irregular heartbeat, and nausea. Acidic foods, caffeine and spices all exacerbate it.
It seemed to trigger after being placed on...