There are some medical explanations pointed out relating to nightmares.....
but I read this part of the article ""morbid oppression during sleep, resembling the pressure of weight upon the breast."
Such nightmares were widely considered to be the work of demons and more specifically incubi, which were thought to sit on the chests of sleepers.
An incubus:
Nightmare - Wikipedia, the free encyclopedia






Depende bsin unsa na incubus kadako mao sad ka kuyaw imo nightmare. hehehe Unsa kaha kng mag kulob ka matulog? wai jd nightmare ana pero mag tulo jd ang laway. hehe
