Do you feel well rested after that? Or do you feel run down? If the former, that's how much is required for you. Myself, I need nearly exactly 8 hours. More is

Do you feel well rested after that? Or do you feel run down? If the former, that's how much is required for you. Myself, I need nearly exactly 8 hours. More is fine, but anything less and I will feel like garbage for the whole day.