I've slept a few times since I had the head off of my 216 but I believe the oil holes were on the bottom. As truckernix advised, if they were on the top the rockers would be running dry for a long time before getting any oil.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.