Can I play audio and use less power for my computer

so i want to play audio while i sleep at night. and i want to ensure that i am using less power.

what option is the best? sleep? hibernate? stand by?

please tell me. i want to keep the audio playing but i want to turn the computer off at the same time.

is it possible? if so how? and if its not possible, how can i ensure that all the applications that im running before i make the computer inactive stay on? thats my big concern.

i dont want to lose tabs and everything when i leave it on sleep mode/hibernate/stand by or whatever.
 
. i want to keep the audio playing but i want to turn the computer off at the same time.

That's like saying you want to turn your radio off yet have it play music to you all night.... :confused:

No, not possible to play audio when a device is powered off
 
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