I always have insomnia when I have lots to do. My mind keeps throwing scenarios at me.
What worked, these past few weeks, is meditation.
Yeah, I do meditation, bitch. A mind like mine, it needs to slow down just to go into sleep.
It's very simple, really. Accept your mind's hyperactivity. Accept your thoughts. Accept your emotions.
Then, move your focus from the mind, to your being. Just be with yourself.
Observe, without thinking, just using the presence, of the thinking you and the feeling you.
Those are all you, a part of you, but smaller than who you are. Your essence.
The real you is the space that is not the mind or the emotions.
Which means you are the universe. And then, sleep...