I see what you did there

Oh, and it was Alpert who dosed the monks

You're referring to the bardo states as lights, yes? As for whether you can, Tim Leary's famous psychedelic trip manual is based on the Tibetan book of the dead and is designed to guide one on a high dose LSD journey through said Bardos. It has been said more than once that deep psychedelic states can and do reflect or even are Bardo states.

Many people have said that taking 5meoDMT can be much like what they would think dying is, and from anecdotal reports, it does seem to have many parallels with the death experience, as related to us by those have had  near death experiences  I would through personal experience experience wager that a good 5meoDMT dose could catapult one into one of the higher death realms, or bardos. Whether you come back or not, probably depends on how prepared you are to die