Sleep

• Disable Power Nap for both Battery and Power Adapter.

• Disable Wake for Network Access in Power Adapter.

• Uncheck Allow Bluetooth devices to wake this computer if you do not need it.

• Do not disable hibernatefile.
• sudo pmset -a tcpkeepalive 0 to disable Network while sleeping.
• sudo pmset -a proximitywake 0 to disable peripheral wake agent.