Bès Chèm

Applies to a number of Malaysian spirits, literally meaning "bird spirit." They can cause anything from emaciation and insomnia to convulsions, sneezing and children born with gap-teeth. The best way to circumvent them seems to be to ignore them until they go away.
https://abookofcreatures.com/2020/12/07/bes-chem/ - Accessed 12/17/2020