The normal 8 hrs here. I don't set an alarm (unless getting up early for something) I just wake up when I normally wake up. This means I go to bed very consiste

The normal 8 hrs here. I don't set an alarm (unless getting up early for something) I just wake up when I normally wake up. This means I go to bed very consistently and earlier than most of my peers. The main thing I need to sleep is total darkness. Some years ago I read that people don't need as much sleep as they think. In an attempt to gain some extra time in the day I experimented with reducing the amount I slept. I found even a little less sleep has a significant adverse effect on me; lower energy levels, irritability, reduced attention span.