Planning to start sleeping biphasic as well, the idea is to start in a few days (april the 1ste
). At first I wanted to become a polyphasic (as in 30m naps) sleeper but decided against it because its such a rigid structure and doesn't really work in our society. Right now I'm sleeping each day about 8-9 hours feeling groggy each morning (trouble getting up, snooze button is starting to break down because of frequint use) so this should help me out.
Anyway I'll be keeping a written log and if it works out (hehe) I'll post it in its entirety.