I don't have any problem sleeping ... its the waking up that I can't get the hang of! ;-)
If you find a better HCL tablet please let me know. I too am loathe to eat pig (you are what you eat right?).
Porcine free and proud!
P.S. for digestive enzymes I recommend either Biocare's Polyzyme Forte, or Udo erasmus does one too. Both available from nutricentre and both vegetarian.