I did a keto diet for a few months 3 years back and one of the things that I noticed very quickly was the reduced need for sleep. I slept at least an hour less

I did a keto diet for a few months 3 years back and one of the things that I noticed very quickly was the reduced need for sleep. I slept at least an hour less every night and I felt great. Apparently it's due to a reduced production of melatonin.