It is now well documented that certain people do not need as much sleep as others. Certain people are fully rejuvenated after 3 to 5 hours. As you study history you will see that many of the world's greatest thinkers claimed to sleep very little. Little naps here and there, they felt that sleep was a necessary evil, and an unfortunate break in productivity. I too am at my best when I sleep an average of 4 hours a night. I am most productive very the earliest hours of the morning, and function very well throughout the day. This has been my routine since I was in elementary school. At this point if I am feeling tired regularly and oversleeping for a period of time it generally means that something is wrong with my health. Perhaps this is an epiphany for you, embrace it. Sleep 3 to 5 hours, then get up and get moving. Every now and then if you need to crash it will be out of necessity and should not be as depressing. Give it a shot, see how you feel. Good luck!
Although can i add that irrational behaviour does suggest you need some sleep, maybe you should go see your GP as a precaution...
Hi
I can relate to that, i also feel better with less sleep and my 13 year old is the same, we both function much better on 3-5 hours sleep and any more than that he is grouchy and i have brain fog.
I have always had very little sleep since i was a child, be interesting to see if anyone has an answer as to why.
My house mate sleeps an average 10 hours per night!