Is 1 hour of delay on the sleep pattern really that problematic for some people? I can barely notice the time shift during DST day, specially when most clocks a

Is 1 hour of delay on the sleep pattern really that problematic for some people? I can barely notice the time shift during DST day, specially when most clocks around us are synchronized automatically. Or maybe it’s because my most comfortable sleep time is between 6-7 hours?