I was planning on going to bed at 0:30 AM, and to wake up at 6:30. Knowing that I spend a lot of time thinking in my bed, I gave myself 10 minutes to fall asleep. Apparently that wasn't enough, so I added an extra 15 minutes to the alarm clock, so that it rings at 6:45. Well, the alarm clock woke me up this morning, but I feel like I was getting at an end of a sleep cycle. I had no problem waking up, and didn't feel groggy or anything, but I was a little bit physically tired, as if I had spent last day playing basketball games. Now it's 10:20 AM, and I don't feel any difference with a normal monophasic day. Anyway, I'll see if I manage to fall asleep during my nap.
Its 8:00PM, and I'm feeling good. I went to bed for my nap at 6:15 PM and I was hoping to fall asleep around 6:20. I did some bikeriding all day long, so I was pretty tired and had no problem falling asleep, although I woke up in the middle of the nap, and fell asleep again, so I reckon I didn't do any complete sleep cycles. That must be why I felt a little bit groggy when the alarm woke me up at 7:50 PM, but I was OK after 5 minutes. I'm now planning to go to bed around 0:30 AM, and sleep 6 hours straight.