Just a quicky here...
The whole idea of opening the eyes periodically is to trick you mind into staying awake and even if you drift off the chances are you will at the very least become lucid for a time while totally asleep. Holding it is easy.
Getting to the 3D blackness. Chances are you will become lucid in the 'void' using this technique unless you have already projected in which case you may find yourself somewhere completely different. Either way, stay calm.
The whole idea of opening the eyes periodically is to trick you mind into staying awake and even if you drift off the chances are you will at the very least become lucid for a time while totally asleep. Holding it is easy.
Getting to the 3D blackness. Chances are you will become lucid in the 'void' using this technique unless you have already projected in which case you may find yourself somewhere completely different. Either way, stay calm.