OSX: How to find out machine sleep and wake times? By: numlockholmes 2015. aug 14. Command that filters out the date/time from power management log: pmset -g log | awk '{print $1" "$2" "$4" "$5}' | grep -e 'Wake Wake' -e 'Sleep Entering' | awk '{print $1" "$2" "$3}' Facebook Tumblr Tweet Pinterest Tetszik 0