This is what you'll need:
A large plastic bag. Two if you want to be certain. Many shops stock large trash bags. Getting a bag large enough to cut holes in for your arms to slip through and help hold the bag in place will also ensure that the bag is large enough.
Any medication, whether over the counter or prescription, which will make you go to sleep. It does not have to be strong enough to kill you. Just strong enough to make you go to sleep. This is an option. Going to sleep is not a requirement for a peaceful and painless death.
Helium gas. The kind they use to fill balloons with. Available at Wal-Mart in the party decorations section, (get two large Helium balloon kits), or get it as an industrial gas from many welding gas or industrial gas supplier. These can be found in the yellow pages. Hospital air, or oxygen, suppliers may also be able to get this. Ask for it. It is completely legal and is used to fill party balloons. It could be used for a party you'll be giving for your birthday.
Some cord, thread, elastic or anything that you want which will help to hold the bag in place.
An hour or so alone.
Get comfortable. A cup of warm tea, soft lights and music. Keep the house as warm as you'd like. Relax; it's a journey.
Take the sleeping aid, perhaps just an anti-histamine, (cold tablet), will work for you. Maybe something stronger. The point is that it doesn't have to be much and it doesn't have to be illegal. Take what will make you relax or sleep. Try different things in advance until you know what will work for you.
Sit comfortably. This methods works best when you are reclining, perhaps in a favorite chair. Do not lay flat as that might allow some of the gas to escape.
Turn on the Helium gas. Hold the bag so it begins to inflate with the gas. When the bag begins to float it is about ready for use.
Inhale, exhale.
Now place the bag on the head.
The bag should be filled with Helium and trying to float away.
While securing the string or elastic so the bag does not float away, begin to breathe normally.
Inhale. Exhale.
Relax, all the hard work is done. You will go to sleep and not wake up. You will not suffer any panic or anxiety .
You will continue to breathe normally. But you will no longer take in oxygen. In a very short time you will be dead.
You will die a peaceful and painless death in your sleep, just like you had always hoped.
