5-7 hours on work weeks, 8 hours on weekends. I don't think my productivity at work is affected, but I feel like a zombie when I get home at ~7pm. I fall aslee

5-7 hours on work weeks, 8 hours on weekends. I don't think my productivity at work is affected, but I feel like a zombie when I get home at ~7pm. I fall asleep within seconds after hitting the bed. Dreamless sleep too.