One thing that has helped me in the past is:
Start with 1/2 cup of water.
3 strong shakes of Tabasco.
1 TBSP of horse radish
10 drops of lemon juice
Dash of salt
Finally, 1 teaspoon of wassabi.
Stir thoroughly until mixed, then close eyes and drink all at once. Do not sip!
Wait, that is my morning cure for what originally got me to fall asleep in the first place the night before, which is: