Syria would love to get revenge for the '67 War. At the exact moment that the USA engages or is about to engage Iran, Syria would be highly tempted to make a lightning strike against Israeli airbases and defenses. So the Arabs are telling Israel to go to sleep. Sleep and nothing is going to happen! Yeah. Right!
12 Iraqi troops, militiamen killed in multiple ISIS suicide attacks (AP)
from the article: Senior Arab officials tell Israel that Syria is not planning to attack