Apple: https://support.apple.com/en-us/HT202824 https://support.apple.com/en-us/HT202824 https://support.apple.com/en-us/HT202824 https://support.apple.com/en-us/HT202824 http://support.apple.com/kb/HT2412 Apple Knowledge Base Article Sleep https://support.apple.com/en-us/HT202824 Apple: sleep Apple Knowledge Base Article Use the Energy Saver settings on your Mac MacOS https://support.apple.com/en-us/HT202824 https://support.apple.com/en-us/HT202824 support.apple.com/en-us/HT202824