turn off...

When you turn it off, it goes into standby mode. It won't be a cold start.

cool...thanks guy for responses...

My problem is I can no longer fall asleep if there is no music playing. So I put a CD on the bedroom system, fall asleep, and the system is on all night, just idling. At least that system isn't tubed! When I was a kid living with the dad, I'd fall asleep with phones on, and wake up with the "needle" thumping against the LP label, and my ears sore from the phones (Koss Pro 4AA's---ouch!).

Had those and a couple other pairs of koss...incidently...I had them (pro 4aa) and decided to drag them out and put them against my grado's...well they were the cat's whisker's back then.

If you press the "Pure Audio" button (under the Netflix button) all video circuits are powered down and should reduce the heat.
What's important (to me) is when is the laser turned off?
These boogers are costly to replace. The laser in an audio player lasts about 10 years.
In a multi-player like the Oppo, it is probably 5 years.
I always turn mine off when not using.