Sleep delay

The delay is usually your Mac writing the contents of your ram to the drive, in case of your battery running out whilst it's in sleep mode.

in terminal type

this will turn this feature off. Keep in mind if your MBP runs out of battery while it is asleep you will lose your state as the contents of the memory will not be on the drive.

to switch it back to the MBP's default setting:

 

How much RAM do you have? It's likely that OSX is writing your RAM contents to the hard drive for deep sleep or hibernate mode. It does this every time you put your computer to sleep.

Edit: beaten by a minute. I believe you want to use sudo pmset -a hibernatemode 0
The -a makes sure it applies to all power profiles.

 

Yup, then it's writing an 8GB file to the hard drive each time you sleep.

 

Hmm, I don't know then sorry

 

Did you do a full shutdown after typing that command?

 

I have a 2011 MacBook Air with 4GB memory that has this same issue. 30-40 seconds to go into sleep. I have a second MBA, same spec that takes virtually no time to sleep. Neither has had the hibernate command run.

The first machine that has the sleep delay does not wake up from sleep using USB keyboard/mouse of the Magic Mouse (yes, I have the "allow bluetooth devices to wake computer" setting enabled)

This is a big problem for my users who have a BookArc stand and external keyboard/mouse/monitor. Any help would be GREATLY appreciated.