Set mac power settings to prevent battery drain during sleep

mac-realsleep.sh

# show pmsettings (see `man pmset` or http://bit.ly/1LDWm37)
pmset -g

# see what wakes up your host
syslog |grep -i "Wake reason"

# turn off sleep settings
sudo pmset ttyskeepawake 0
sudo pmset womp 0
sudo pmset powernap 0
sudo pmset hibernatemode 3    # 25- is more aggressive hibernate but can lose your state
# look at this too: autopoweroffdelay    14400

# see what wakes up your host
syslog |grep -i "Wake reason"