In file react-native\packager\react-packager\src\node-haste\FileWatcher\index.js you can increase "MAX_WAIT_TIME" variable.
such: 360000. and change function "_createWatcher" to :
_createWatcher(rootConfig) {
const watcher = new WatcherClass(rootConfig.dir, {
glob: rootConfig.globs,
dot: false,
});