For me, at least, waking up by using the sun as an alarm clock feels good. I wake much more alert than if I wake up in a dim room with a blaring alarm clock. W

For me, at least, waking up by using the sun as an alarm clock feels good. I wake much more alert than if I wake up in a dim room with a blaring alarm clock. Waking up with the sun is a slow process, whereas an audible alarm is abrupt.