I've had both of the experiences described in this thread, and I believe the key is whether you genuinely want to do the thing at the time. If you actually wan

I've had both of the experiences described in this thread, and I believe the key is whether you genuinely want to do the thing at the time. If you actually want to wake up at the prescribed time, you can do it. If you think you SHOULD wake up at the time, no dice. If you have 27 minutes of working on something you want to work on before a time limit for something else you want to do, you'll know. If you have a time limit before something you "should" do? no dice. There is quite a bit of stuff in life that works this way, and it was shocking to me how often I've confused what I "should" want with what I actually want.