Muhammad prescribed eating seven dates in the morning to ward off evil spells (Muslim 5081, Bukhari 65:356).
A child resembles whichever parent climaxed first (Bukhari 55:546)
Satan causes yawning (Bukhari 73:245)
Spoons should be covered before going to bed (Bukhari 69:527)
Oversleeping is caused by Satan urinating in one’s ear (Bukhari 54:492)
The bathroom should be entered with the left foot first. (Fiqh - Islamic law)
Keeping a dog as a pet will cost the owner a celestial reward (Bukhari 67:389)
A man should spit only to his left (Muslim 7149)
The penis should be held with the left hand only when urinating (Muslim 512)
A person should wipe their butt with an odd number of stones after defecating (Bukhari 4:162)
Satan sleeps in ones nose, so water should be snorted each day (Bukhari 54:516)
No one should lie on their back with one foot crossing the other.
Bad dreams can be warded off by spitting over the left side of the bed (Bukhari 87:115)
The right shoe should be put on before the left (Muslim 514)
No one should enter the house through the back door (Qur'an 2:189