Wouldn't there be feelings of tiredness or some kind of exhaustion? I generally feel well rested and chipper all day.
Without those feelings of tiredness, how would you know if it's training or your actual internal clock working correctly?
Without those feelings of tiredness, how would you know if it's training or your actual internal clock working correctly?
A possible explanation is that you've trained your body to wake at that time -- but it isn't necessarily enough/appropriate sleep.