Originally Posted by
unterhausen
I think you can get by with 20 minutes sleep
Charly Miller riders get by with that little sleep, but they ride through 2 nights. It has to be awfully tough to ride through 4 nights with a total of 20 minutes of sleep.
I have done a straight-through 600k, but I need to sleep long enough for 3 REM cycles each night to feel fresh on a 1200k.