I meant that I can't sleep 8 hours and feel rested. If I'm forced to sleep less than I need, I'd be sleepy and tired all day. Taking a nap helps but isn't alway

I meant that I can't sleep 8 hours and feel rested. If I'm forced to sleep less than I need, I'd be sleepy and tired all day. Taking a nap helps but isn't always possible, and is even less time efficient.