Hypnopompic Dream: Sine Waves

I was fast asleep when my alarm rung at 6 AM. It was jarring and it took me a second to identify what the sound was. The instant I did, a micro-dream began, and I saw this:

Then the scene brightened:

Then the scene had color added to it:

It was as if someone was turning the contrast and saturation dials up on a TV, starting from zero, to full.

Then I woke up.

This was the first time a dream started after my alarm rung. A dream that occurs as you wake up is called a hypnopompic dream.