Not everybody has HI. I know that I very rarely "see" anything before sleeping. As Ellipsis said, there are other senses that may be more usefull for you, I sometimes hear people talking instead.

But generally I don't have any Hypnagogic feelings at all when falling asleep on the evening (the closer I have is like daydreaming thoughs of situations, in a very abstract sense), and I have progressively more if I wake-up and fall asleep again later in the night, and in the morning.

And it's not just forgetting them, because I WILD'ed at least once on each of those periods, and I entered it without any image or sound, only a falling sensation. The lucid dream then progressively emerged from darkness.


When exactly are you trying to WILD ? As explained in the various tutorials, it is better to sleep a few hours before doing it. But trying for 1h30 is too much (I know, I've done this too): You're "holding to your awareness" too much which prevents you to fall asleep. The ideal is a very thin line of letting it go (to sleep) while keeping the awareness in the back of your mind, not the front (to "catch" the moment you fall asleep).
If like me you don't naturally have HI, it's indeed harder to get a reference point of when this moment will happen.
My strategy was to do it only on the hours when I fall asleep very fast, that is in the morning (I take hours to sleep on the evening, but on the morning when I should get up to work I suddenly tend to hit the "snooze" button A LOT ) Then I already have incoherent thoughts or real HI, and I just have to keep the passive awareness for 1 or 2 minutes.
You may want to experiment at different hours to see which one is best for you.