Originally Posted by Calculusaurus
I am almost a week into biphasic sleep.
So far so good -- I am functioning off of 6 hours of sleep. But I'm hoping that my concentration and energy pick up. I've been maintaining the schedule fine (doing 1.5/4.5), but I noticed last night before my core sleep my brain just completely turned off. The adjustment stage seemed to have lasted only 3 or so nights. But perhaps by "adjustment" I simply mean "being able to wake up comfortably at the scheduled times." I don't think I've fully adjusted physiologically. It's not a huge deal, but my mental clarity feels slightly under par and I'd like to see that change within a week.
Another difficulty is that I seem to be conditioning myself to be a much lighter sleeper. I used to triumph over the fact that I could probably fall asleep in the middle of a busy intersection at noon. But just now I was just woken up from my 1.5 hour nap by soft chatter in an adjacent room. Since I didn't hit REM sleep, I'll have to re-attempt that nap soon (I'm guessing).
Of course, it's not a huge complaint, but I thought I'd contribute something more to the thread than just "hooray, biphasic sleep works!"
Hi Calc (I'll save 'Calculusaurus' for formal occasions - it brings back painful memories of university maths
Is your mental clarity fine until just before your core sleep? I always find I rapidly get tired just before a nap (and prior to core sleep, to some extent). In fact, I was fine until about 10 minutes ago, and now I'm fighting to stay awake (nap time in a few minutes).
I suspect you're still adapting to the new schedule; there's a great improvement in both the quality of sleep and the alertness you'll feel whilst awake. Keep going with it - it could well be in the next couple of days.
One quick thought on the light sleeping thing: it may just be that your body hasn't fully adjusted to the routine, but it could also be the fact that you're not quite sleeping long enough. Are you allowing a bit of time to get to sleep (eg: setting the alarm for 100 minutes, not 90 minutes)?