The File: gamedata\scripts\amk_mod.script
Find:
Code:

if amk.load_variable("block_sleep_menu",0)==0 then
--if amk.load_variable("gg_need_sleep",0)>10 then
if amk.load_variable("gg_need_sleep",0)>0 then
local spwn=ui_cheat.cheat(get_hud())
level.start_stop_menu(spwn,true)
else
amk.send_tip(game.translate_string("not_need_sleep"),nil,nil,5)
end

And Replace:
Code:

if amk.load_variable("block_sleep_menu",0)==0 then
--if amk.load_variable("gg_need_sleep",0)>10 then
--if amk.load_variable("gg_need_sleep",0)>0 then
local spwn=ui_cheat.cheat(get_hud())
level.start_stop_menu(spwn,true)
--else
amk.send_tip(game.translate_string("not_need_sleep"),nil,nil,5)
--end