You’ll right in your assumption that the bluetooth snooze perform has been faraway from the newer mac os variations. It occurred proper earlier than the mac os that you’re utilizing I believe. The one option to get round this reality is to make use of second hand purposes that may routinely snooze your bluetooth once you put the mac in sleep mode and routinely flip it again on once you wake it up. One choice for that is Buesnooze which has a graphical person interface, Bluesnooze is a macOS software that routinely disables Bluetooth throughout sleep and re-enables it on wake.​
For a GitHub Set up observe these steps:
Obtain the most recent launch of Bluesnooze from the GitHub repository.​
GitHub
Extract the .zip file and transfer Bluesnooze.app to your Functions folder.​
GitHub
Launch Bluesnooze.​
Bluesnooze runs within the background and manages Bluetooth energy states primarily based in your Mac’s sleep/wake cycles. It additionally presents choices to manage Wi-Fi conduct and conceal its standing bar icon.
Some non-GUI choices which might be applied by the terminal are AutoBlue and Sleepwatcher.
