I fluctuate in cycles where I'll go for a few weeks where I only need 2-3 hours sleep and the next few need 4-5 hours. Then, it's back to the 2-3 hour cycle. I've been like this since I can remember.
When I was in hospital, it dropped down to 1-2 hours per night (probably because of the sedentary lifestyle). The hospital I was in required them to check on us hourly. I was famous around the hospital for the first patient they'd ever seen that went for 5 weeks straight averaging around 1 to 2 hours sleep a night. I talked to my psych and did some research on it and I think what is responsible is the Period 3 "clock gene".
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Your Aspie score: 151 of 200
Your neurotypical (non-autistic) score: 60 of 200
Formally diagnosed in 2007.
Learn the simple joy of being satisfied with little, rather than always wanting more.