Twilight Hue
Twilight, not bright nor dark, good nor bad.
11-12 hours sleep is almost average for me, 16 hrs is a bad day. If I took my medicine every day I would sleep 16 hrs a day average, so I only take the sleep inducing meds every two days, and live on a 48 hr cycle, oversleep the first day and under sleep the second day. When I'm a little manic I average about 8 hrs a day(averaged over two days) my ideal seems to be about 10 hrs a day.
Its too dangerous for me to take anti depressants that make you sleep less, because they can and do induce mania, which is my biggest problem, even though it doesn't happen often.
That's interesting in light my own depression results in chronic fatigue that's hard to control and address making the depression worse by the physical effects it has.
As a teen and young adult the hours you state that you sleep we're not unlike my own. It's less now but I never felt well rested pretty much all my life.