I suspect your IPSec tunnels go down during the evening as there are no "interesting" traffic flowing through. There should be no reason to restart routers, a ping through the tunnel should suffice.
Without seeing your config, very difficult to say what your current problem is
Thanks for your sarcasm seems to be you are rude geek, i fount the problem, some nat rules created before did problems so removed them problem fixed.
English is not my native language, can you pinpoint which part of @CZFan's post you've found sarcastic? To me it seemed like a constructive and neutral statemement, some tunnelling protocols do tear down if idle for an extended period of time and sometimes they have a problem to re-establish because they need the triggering traffic to come in the "right" direction. For example, if the traffic is for a peer behind an uncontrolled NAT, it is physically impossible for the peer on public address to re-establish the connection.
Instead of writing novels, post /export hide-sensitive. Use find&replace in your favourite text editor to systematically replace all occurrences of each public IP address potentially identifying you by a distinctive pattern such as my.public.ip.1.