display dialog "Hibernate or sleep?" buttons {"Hibernate", "Sleep", "Cancel"} default button "Sleep"

set b to button returned of result

if b = "Hibernate" then
	do shell script "pmset -a hibernatemode 5" with administrator privileges
else if b = "Sleep" then
	do shell script "pmset -a hibernatemode 7" with administrator privileges
end if

if b is not "Cancel" then
	tell application "System Events" to sleep
end if